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VET377 (Replaces NTE377) - NPN Transistor, SI Power Driver/Power Output
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VET377 (Replaces NTE377) - NPN Transistor, SI Power Driver/Power Output

VET377 (Replaces NTE377) - NPN Transistor, SI Power Driver/Power Output

$0.89

Original: $2.54

-65%
VET377 (Replaces NTE377) - NPN Transistor, SI Power Driver/Power Output

$2.54

$0.89

The Story

High-Performance NPN Power Transistor – Silicon, TO-220 Package

NTE377 NPN Power Transistor for Everyday Projects

The NTE377 is a silicon NPN power transistor designed for reliable performance in a wide range of electronic projects and repairs. This versatile NPN power transistor is ideal for use as both a driver and a power output component in circuits that require dependable switching and amplification.

Key Features of the NTE377 NPN Transistor

  • Type: NPN silicon power transistor
  • Configuration: TO-220 package for easy installation and heat dissipation
  • Function: Suitable for both power driving and output applications
  • Quantity per package: 1 transistor
  • Vetco Part Numbers: VET377, WW377, D44H10
  • Formerly known by NTE part number: NTE377

Perfect for Power Output and Driver Applications

Whether you are building new circuits or fixing existing ones, the NTE377 NPN transistor offers strong, consistent performance for power output, switching, and amplifier needs. Its robust silicon construction and TO-220 package design make it a popular choice among hobbyists, students, and electronics enthusiasts.

Why Choose This NPN Power Transistor?

  • Standard TO-220 package is easy to solder and mount
  • Tough silicon design for long-lasting reliability
  • Great for use in audio, power supply, and motor control circuits
  • Widely compatible replacement option for many older transistor designs

Each package contains one genuine NTE377 NPN power transistor, ready to power your next electronics project or repair.


This part is the equivalent replacement for the following:

NTE377, 0065-560XX-XXBX, 01H0544, 01H0545, 01H1387, 021494-000, 044-1(SYL), 1029-WK, 1030-5530, 10P1067, 11114127, 1191-3399, 121-1119, 1217-9156, 1217-9172, 1231-0397, 13-46044-1, 1417416-1, 148759, 148999, 163048 (Must use the insulating hardware supplied.), 164231 (Must use the insulating hardware supplied.), 1854-0586, 1854-0596, 1854-0635, 1854-0756, 1854-0758, 1854-0766, 1854-0872, 188271, 203734, 2324292, 2N1743, 2N5430, 2N6098, 2N6123, 2SC2562, 2SC2562-0, 2SC2562-O, 2SC2562-R, 2SC2562R, 2SC2562-Y, 2SC2654 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC2654L (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC2654M (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC2963, 2SC3179, 2SC3179G, 2SC3179Y, 2SC3239 (Must use the insulating hardware supplied.), 2SC3239-O (Must use the insulating hardware supplied.), 2SC3258, 2SC3258-O, 2SC3299, 2SC3299-O (Must use the insulating hardware supplied.), 2SC3299(Y), 2SC3299Y, 2SC3308 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC3308-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC3746 (Must use the insulating hardware supplied.), 2SC3746-Q (Must use the insulating hardware supplied.), 2SC4007, 2SC4008 (Must use the insulating hardware supplied.), 2SC4148 (Must use the insulating hardware supplied.), 2SC4149 (Must use the insulating hardware supplied.), 2SC4327 (Must use the insulating hardware supplied.), 2SC4355 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC4596 (Must use the insulating hardware supplied.), 2SC856L, 2SD1000Q (Must use the insulating hardware supplied.), 2SD1060, 2SD1060-O, 2SD1060Q, 2SD1060R, 2SD1060-Y, 2SD1061, 2SD1061Q, 2SD1062, 2SD1062Q, 2SD1062R, 2SD1117, 2SD1265 (Must use the insulating hardware supplied.), 2SD1265-0 (Must use the insulating hardware supplied.), 2SD12650 (Must use the insulating hardware supplied.), 2SD12650LB (Must use the insulating hardware supplied.), 2SD1265-0P (Must use the insulating hardware supplied.), 2SD12650P (Must use the insulating hardware supplied.), 2SD1265-0PB (Must use the insulating hardware supplied.), 2SD12650PQ (Must use the insulating hardware supplied.), 2SD1265A (Must use the insulating hardware supplied.), 2SD1265A-O (Must use the insulating hardware supplied.), 2SD1265A-P (Must use the insulating hardware supplied.), 2SD1265AP (Must use the insulating hardware supplied.), 2SD1265A-Q (Must use the insulating hardware supplied.), 2SD1265AQ (Must use the insulating hardware supplied.), 2SD1265-LB (Must use the insulating hardware supplied.), 2SD1265LB (Must use the insulating hardware supplied.), 2SD1265(LB)0 (Must use the insulating hardware supplied.), 2SD1265LB-0 (Must use the insulating hardware supplied.), 2SD1265LB-O (Must use the insulating hardware supplied.), 2SD1265LB-P (Must use the insulating hardware supplied.), 2SD1265-O (Must use the insulating hardware supplied.), 2SD1265O (Must use the insulating hardware supplied.), 2SD1265-OLB (Must use the insulating hardware supplied.), 2SD1265OLB (Must use the insulating hardware supplied.), 2SD1265-OP (Must use the insulating hardware supplied.), 2SD1265OP (Must use the insulating hardware supplied.), 2SD1265-OPL (Must use the insulating hardware supplied.), 2SD1265-OP(LB) (Must use the insulating hardware supplied.), 2SD1265-OPQ (Must use the insulating hardware supplied.), 2SD1265-P (Must use the insulating hardware supplied.), 2SD1265(P) (Must use the insulating hardware supplied.), 2SD1265P (Must use the insulating hardware supplied.), 2SD1265PQ (Must use the insulating hardware supplied.), 2SD1265-Q (Must use the insulating hardware supplied.), 2SD1265(Q) (Must use the insulating hardware supplied.), 2SD1265Q (Must use the insulating hardware supplied.), 2SD1265(QP) (Must use the insulating hardware supplied.), 2SD1265-R (Must use the insulating hardware supplied.), 2SD1266 (Must use the insulating hardware supplied.), 2SD1266A (Must use the insulating hardware supplied.), 2SD1266A-P (Must use the insulating hardware supplied.), 2SD1266A(P) (Must use the insulating hardware supplied.), 2SD1266AP (Must use the insulating hardware supplied.), 2SD1266A-Q (Must use the insulating hardware supplied.), 2SD1266A(Q) (Must use the insulating hardware supplied.), 2SD1266AQ (Must use the insulating hardware supplied.), 2SD1266A-R (Must use the insulating hardware supplied.), 2SD1266AR (Must use the insulating hardware supplied.), 2SD1266LB (Must use the insulating hardware supplied.), 2SD1266LB(P) (Must use the insulating hardware supplied.), 2SD1266LBPQ (Must use the insulating hardware supplied.), 2SD1266LB(Q) (Must use the insulating hardware supplied.), 2SD1266LBQ (Must use the insulating hardware supplied.), 2SD1266LVPQ (Must use the insulating hardware supplied.), 2SD1266-P (Must use the insulating hardware supplied.), 2SD1266(P) (Must use the insulating hardware supplied.), 2SD1266P (Must use the insulating hardware supplied.), 2SD1266-PQ (Must use the insulating hardware supplied.), 2SD1266PQ (Must use the insulating hardware supplied.), 2SD1266-Q (Must use the insulating hardware supplied.), 2SD1266(Q) (Must use the insulating hardware supplied.), 2SD1266Q (Must use the insulating hardware supplied.), 2SD1266-R (Must use the insulating hardware supplied.), 2SD1266(R) (Must use the insulating hardware supplied.), 2SD1266R (Must use the insulating hardware supplied.), 2SD1267 (Must use the insulating hardware supplied.), 2SD1267A (Must use the insulating hardware supplied.), 2SD1267ALBPQ (Must use the insulating hardware supplied.), 2SD1267AP (Must use the insulating hardware supplied.), 2SD1267APLB (Must use the insulating hardware supplied.), 2SD1267APQ (Must use the insulating hardware supplied.), 2SD1267AQ (Must use the insulating hardware supplied.), 2SD1267AR (Must use the insulating hardware supplied.), 2SD1267LB (Must use the insulating hardware supplied.), 2SD1267P (Must use the insulating hardware supplied.), 2SD1267Q (Must use the insulating hardware supplied.), 2SD1267R (Must use the insulating hardware supplied.), 2SD1345, 2SD1354 (Must use the insulating hardware supplied.), 2SD1354-O (Must use the insulating hardware supplied.), 2SD1354-Y (Must use the insulating hardware supplied.), 2SD1362 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD1362-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD1363, 2SD1363-O (Must use the insulating hardware supplied.), 2SD1363-Y, 2SD1406, 2SD1406-0, 2SD1406GR, 2SD1406-O (Must use the insulating hardware supplied.), 2SD1406-Y, 2SD1406Y, 2SD1406-YGR, 2SD1412 (Must use the insulating hardware supplied.), 2SD1412-0 (Must use the insulating hardware supplied.), 2SD1437, 2SD1442, 2SD1442A, 2SD1442AQ, 2SD1442AR, 2SD1442Q, 2SD1442R, 2SD1443, 2SD1443A, 2SD1443AQ, 2SD1443AR, 2SD1443Q, 2SD1443R, 2SD1444, 2SD1444A, 2SD1444AQ, 2SD1444AR, 2SD1444Q, 2SD1444R, 2SD1445 (Must use the insulating hardware supplied.), 2SD1445A (Must use the insulating hardware supplied.), 2SD1445AQ (Must use the insulating hardware supplied.), 2SD1445AR (Must use the insulating hardware supplied.), 2SD1445Q (Must use the insulating hardware supplied.), 2SD1445R (Must use the insulating hardware supplied.), 2SD1480 (Must use the insulating hardware supplied.), 2SD1480Q (Must use the insulating hardware supplied.), 2SD1480R (Must use the insulating hardware supplied.), 2SD1505, 2SD1539 (Must use the insulating hardware supplied.), 2SD1539A (Must use the insulating hardware supplied.), 2SD1539AR (Must use the insulating hardware supplied.), 2SD1539R (Must use the insulating hardware supplied.), 2SD1580, 2SD1666, 2SD1666Q (Must use the insulating hardware supplied.), 2SD1667 (Must use the insulating hardware supplied.), 2SD1667Q (Must use the insulating hardware supplied.), 2SD1668 (Must use the insulating hardware supplied.), 2SD1668Q (Must use the insulating hardware supplied.), 2SD1762 (Must use the insulating hardware supplied.), 2SD1778A, 2SD1855A (Must use the insulating hardware supplied.), 2SD1912, 2SD1985 (Must use the insulating hardware supplied.), 2SD1985A (Must use the insulating hardware supplied.), 2SD1985AQ (Must use the insulating hardware supplied.), 2SD1985AR (Must use the insulating hardware supplied.), 2SD1985Q (Must use the insulating hardware supplied.), 2SD1985R (Must use the insulating hardware supplied.), 2SD1990, 2SD1990Q, 2SD1990R, 2SD2000 (Must use the insulating hardware supplied.), 2SD2000R (Must use the insulating hardware supplied.), 2SD2027, 2SD2027Q, 2SD2037 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD2058 (Must use the insulating hardware supplied.), 2SD2060 (Must use the insulating hardware supplied.), 2SD3747 (Must use the insulating hardware supplied.), 2SD3747-Q (Must use the insulating hardware supplied.), 2SD613, 2SD613C (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD613(D), 2SD613D, 2SD613(E), 2SD613E, 2SD704, 2SD704D, 2SD704E, 2SD843, 2SD843-O, 2SD843-Y, 2SD843(Y), 2SD843Y, 2SD856, 2SD856B, 2SD856L, 2SD856(LB), 2SD856LB, 2SD856M, 2SD856M(LB), 2SD856(P), 2SD856P, 2SD856PQ, 2SD856(Q), 2SD856Q, 2SD856Q(LB), 2SD856(R), 2SD856R, 2SD856S, 2SD866, 2SD866B, 2SD866(P), 2SD866P, 2SD866(Q), 2SD866Q, 2SD866R, 2SD866S, 3156, 3156(SAVILLE), 416-1(RCA), 46-861511-3 (Must use the insulating hardware supplied.), 48-155337, 4821-0000-059, 4822-130-41288, 482213041288, 4822-130-61179 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 482213061179 (Must use the insulating hardware supplied.), 4822-130-62549 (Must use the insulating hardware supplied.), 482213062549 (Must use the insulating hardware supplied.), 48-90210A03, 4890210A03, 48-90210A31 (Must use the insulating hardware supplied.), 4890210A31, 48-90223A61, 4890223A61, 48-90229A03 (Must use the insulating hardware supplied.), 4890229A03 (Must use the insulating hardware supplied.), 48-90233A25, 48-90233A28, 48-90235A54 (Must use the insulating hardware supplied.), 48S155286, 48S155337, 48X90210A03, 48X90210A31 (Must use the insulating hardware supplied.), 48X90223A25, 48X90223A61, 48X90229A03 (Must use the insulating hardware supplied.), 48X90233A28, 48X90235A54 (Must use the insulating hardware supplied.), 48X90420A56, 48X90478A23, 497-2574-5-ND, 497-2616-5-ND, 53223463, 5C-8979, 8-729-137-32, 8-729-201-78, 8-729-231-60, 8-729-400-81, 8-729-400-82, 935-6158, 991-021494, 991-021494-000, A6842185, BD243, BD951, C1265(TRANS) (Must use the insulating hardware supplied.), C2562, C2562-0, C2562-O, C2562-R, C2562R, C2562-Y, C2654L(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C2654M(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C2654(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C2963(TRANS), C3179, C3179G(TRANS), C3179(TRANS), C3179Y(TRANS), C3239 (Must use the insulating hardware supplied.), C3239-O (Must use the insulating hardware supplied.), C3258, C3258-O, C3299 (Must use the insulating hardware supplied.), C3299-O (Must use the insulating hardware supplied.), C3299Y, C3299Y(TRANS), C3308 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C3308-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C3746Q(TRANS) (Must use the insulating hardware supplied.), C3746(TRANS) (Must use the insulating hardware supplied.), C3747-Q(TRANS), C3747(TRANS), C3748-Q(TRANS), C3748(TRANS), C4007(TRANS), C4008(TRANS) (Must use the insulating hardware supplied.), C4148(TRANS) (Must use the insulating hardware supplied.), C4149(TRANS) (Must use the insulating hardware supplied.), C4327(TRANS) (Must use the insulating hardware supplied.), C4355(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C4596(TRANS) (Must use the insulating hardware supplied.), D1060, D1060-O, D1060Q(TRANS), D1060R(TRANS), D1060(TRANS), D1060-Y, D1061, D1061Q(TRANS), D1061(TRANS), D1062, D1062Q, D1062Q(TRANS), D1062R, D1062R(TRANS), D1062(TRANS), D1117(TRANS), D1265 (Must use the insulating hardware supplied.), D1265-0 (Refer to Special Replacement Section on Page 1-345.), D1265A (Must use the insulating hardware supplied.), D1265A-O (Must use the insulating hardware supplied.), D1265AP (Must use the insulating hardware supplied.), D1265AQ (Must use the insulating hardware supplied.), D1265LB (Must use the insulating hardware supplied.), D1265LB-O(TRANS) (Must use the insulating hardware supplied.), D1265LB-P(TRANS) (Must use the insulating hardware supplied.), D1265-O (Refer to Special Replacement Section on Page 1-345.), D1265-OLB(TRANS) (Must use the insulating hardware supplied.), D1265-OP (Refer to Special Replacement Section on Page 1-345.), D1265-OPQ(TRANS) (Must use the insulating hardware supplied.), D1265-OP(TRANS) (Must use the insulating hardware supplied.), D1265P (Refer to Special Replacement Section on Page 1-345.), D1265Q (Refer to Special Replacement Section on Page 1-345.), D1265QP (Refer to Special Replacement Section on Page 1-345.), D1265-R(TRANS) (Must use the insulating hardware supplied.), D1266 (Must use the insulating hardware supplied.), D1266A (Must use the insulating hardware supplied.), D1266AQ (Must use the insulating hardware supplied.), D1266AR (Must use the insulating hardware supplied.), D1266LBQ(TRANS) (Must use the insulating hardware supplied.), D1266LB(TRANS) (Must use the insulating hardware supplied.), D1266P (Must use the insulating hardware supplied.), D1266PQ (Must use the insulating hardware supplied.), D1266PQ(TRANS) (Must use the insulating hardware supplied.), D1266P(TRANS) (Must use the insulating hardware supplied.), D1266Q (Must use the insulating hardware supplied.), D1266R (Must use the insulating hardware supplied.), D1267 (Must use the insulating hardware supplied.), D1267A (Must use the insulating hardware supplied.), D1267ALBPQ (Must use the insulating hardware supplied.), D1267AP (Must use the insulating hardware supplied.), D1267APLB (Must use the insulating hardware supplied.), D1267APQ, D1267APQ(TRANS) (Must use the insulating hardware supplied.), D1267AP(TRANS) (Must use the insulating hardware supplied.), D1267AQ (Must use the insulating hardware supplied.), D1267AR (Must use the insulating hardware supplied.), D1267LB (Must use the insulating hardware supplied.), D1267P (Must use the insulating hardware supplied.), D1267Q (Must use the insulating hardware supplied.), D1267R (Must use the insulating hardware supplied.), D1345, D1345(TRANS), D1354 (Must use the insulating hardware supplied.), D1354-O (Must use the insulating hardware supplied.), D1354-Y (Must use the insulating hardware supplied.), D1362 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D1362-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D1363, D1363-O (Must use the insulating hardware supplied.), D1363Y, D1363-Y(TRANS) (Must use the insulating hardware supplied.), D1406, D1406-0 (Must use the insulating hardware supplied.), D1406-GR, D1406-O, D1406-Y, D1406Y, D1406-YGR(TRANS) (Must use the insulating hardware supplied.), D1412-O(TRANS) (Must use the insulating hardware supplied.), D1412(TRANS) (Must use the insulating hardware supplied.), D1437(TRANS), D1442AQ(TRANS), D1442AR(TRANS), D1442A(TRANS), D1442Q(TRANS), D1442(TRANS), D1443AQ(TRANS), D1443AR(TRANS), D1443A(TRANS), D1443Q(TRANS), D1443R(TRANS), D1443(TRANS), D1444, D1444AQ(TRANS), D1444AR(TRANS), D1444A(TRANS), D1444Q(TRANS), D1444R(TRANS), D1444(TRANS), D1445A (Must use the insulating hardware supplied.), D1445AQ(TRANS) (Must use the insulating hardware supplied.), D1445AR(TRANS) (Must use the insulating hardware supplied.), D1445A(TRANS) (Refer to Special Replacement Section on Page 1-345.), D1445Q(TRANS) (Must use the insulating hardware supplied.), D1445R(TRANS) (Must use the insulating hardware supplied.), D1445(TRANS) (Must use the insulating hardware supplied.), D1457R(TRANS) (Must use the insulating hardware supplied.), D1475Q(TRANS) (Must use the insulating hardware supplied.), D1475(TRANS) (Must use the insulating hardware supplied.), D1476Q(TRANS), D1476R(TRANS), D1476(TRANS), D1480Q(TRANS) (Must use the insulating hardware supplied.), D1480R(TRANS) (Must use the insulating hardware supplied.), D1480(TRANS) (Must use the insulating hardware supplied.), D1505(TRANS), D1539AR(TRANS) (Must use the insulating hardware supplied.), D1539A(TRANS) (Must use the insulating hardware supplied.), D1539R(TRANS) (Must use the insulating hardware supplied.), D1539(TRANS) (Must use the insulating hardware supplied.), D1580(TRANS), D1666, D1666Q(TRANS) (Must use the insulating hardware supplied.), D1666(TRANS) (Must use the insulating hardware supplied.), D1667Q(TRANS) (Must use the insulating hardware supplied.), D1667(TRANS) (Must use the insulating hardware supplied.), D1668Q(TRANS) (Must use the insulating hardware supplied.), D1668(TRANS) (Must use the insulating hardware supplied.), D1762 (Must use the insulating hardware supplied.), D1762(TRANS) (Must use the insulating hardware supplied.), D1778A(TRANS), D1855A(TRANS) (Must use the insulating hardware supplied.), D1912(TRANS), D1985AQ(TRANS) (Must use the insulating hardware supplied.), D1985AR(TRANS) (Must use the insulating hardware supplied.), D1985A(TRANS) (Must use the insulating hardware supplied.), D1985Q(TRANS) (Must use the insulating hardware supplied.), D1985R(TRANS) (Must use the insulating hardware supplied.), D1985(TRANS) (Must use the insulating hardware supplied.), D1990Q(TRANS), D1990R(TRANS), D1990(TRANS), D2000Q(TRANS) (Must use the insulating hardware supplied.), D2000R(TRANS) (Must use the insulating hardware supplied.), D2000(TRANS) (Must use the insulating hardware supplied.), D2027, D2027Q, D2027(TRANS), D2037 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D2037(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D2058(TRANS) (Must use the insulating hardware supplied.), D2060(TRANS) (Must use the insulating hardware supplied.), D3747Q(TRANS) (Must use the insulating hardware supplied.), D3747(TRANS) (Must use the insulating hardware supplied.), D44C1, D44C10, D44C11, D44C12, D44C2, D44C3, D44C4, D44C5, D44C6, D44C7, D44C8, D44C8B, D44C9, D44H1, D44H10, D44H11, D44H2, D44H3, D44H4, D44H5, D44H6, D44H7, D44H8, D44H9, D44VM1, D44VM10, D44VM4, D44VM7, D476AK, D476AKB, D476AKC, D476K, D476KB, D476KC, D613, D613C (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D613D, D613E, D704, D704D, D704E, D843, D843-O, D843Y, D856, D856B, D856L, D856LB, D856M, D856P, D856Q, D856R, D856S(TRANS), D866, D8666P, D866B, D866P, D866Q, D866R, D866S, DH44H12, ECG377, EP15X0068, EW15X0399, EW15X235, EW15X262, EW15X278, EW15X320, EW15X346, EW15X406, EW15X413, EW15X415, FD-1029-WK, KTD1406Y (Must use the insulating hardware supplied.), KTD2012, KTD2058 (Must use the insulating hardware supplied.), KTD2058A (Must use the insulating hardware supplied.), KTD2060 (Must use the insulating hardware supplied.), MJE2801T, NTE377, QTD0704XAE, RN-EVS-2SD1061-E, SK9112, SK9112/377, ST44C1, ST44C10, ST44C11, ST44C12, ST44C2, ST44C3, ST44C4, ST44C5, ST44C6, ST44C7, ST44C8, ST44C9, ST44H1, ST44H10, ST44H11, ST44H2, ST44H4, ST44H5, ST44H7, ST44H8, ST44VM1, ST44VM4, TD30016660, TD50014060 (Must use the insulating hardware supplied.), TG2SD613D, TG2SD613E, TM377, TP10S4 (Must use the insulating hardware supplied.), TP7S4 (Must use the insulating hardware supplied.), TT2SD843Y, VS2SC3299Y/-1, VS2SC3299Y/1E, VS2SD1267-P1E, X302369100 (Must use the insulating hardware supplied.), X302374609 (Must use the insulating hardware supplied.), X302374809 (Must use the insulating hardware supplied.), X44C758, X44H454, X44H462

Description

High-Performance NPN Power Transistor – Silicon, TO-220 Package

NTE377 NPN Power Transistor for Everyday Projects

The NTE377 is a silicon NPN power transistor designed for reliable performance in a wide range of electronic projects and repairs. This versatile NPN power transistor is ideal for use as both a driver and a power output component in circuits that require dependable switching and amplification.

Key Features of the NTE377 NPN Transistor

  • Type: NPN silicon power transistor
  • Configuration: TO-220 package for easy installation and heat dissipation
  • Function: Suitable for both power driving and output applications
  • Quantity per package: 1 transistor
  • Vetco Part Numbers: VET377, WW377, D44H10
  • Formerly known by NTE part number: NTE377

Perfect for Power Output and Driver Applications

Whether you are building new circuits or fixing existing ones, the NTE377 NPN transistor offers strong, consistent performance for power output, switching, and amplifier needs. Its robust silicon construction and TO-220 package design make it a popular choice among hobbyists, students, and electronics enthusiasts.

Why Choose This NPN Power Transistor?

  • Standard TO-220 package is easy to solder and mount
  • Tough silicon design for long-lasting reliability
  • Great for use in audio, power supply, and motor control circuits
  • Widely compatible replacement option for many older transistor designs

Each package contains one genuine NTE377 NPN power transistor, ready to power your next electronics project or repair.


This part is the equivalent replacement for the following:

NTE377, 0065-560XX-XXBX, 01H0544, 01H0545, 01H1387, 021494-000, 044-1(SYL), 1029-WK, 1030-5530, 10P1067, 11114127, 1191-3399, 121-1119, 1217-9156, 1217-9172, 1231-0397, 13-46044-1, 1417416-1, 148759, 148999, 163048 (Must use the insulating hardware supplied.), 164231 (Must use the insulating hardware supplied.), 1854-0586, 1854-0596, 1854-0635, 1854-0756, 1854-0758, 1854-0766, 1854-0872, 188271, 203734, 2324292, 2N1743, 2N5430, 2N6098, 2N6123, 2SC2562, 2SC2562-0, 2SC2562-O, 2SC2562-R, 2SC2562R, 2SC2562-Y, 2SC2654 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC2654L (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC2654M (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC2963, 2SC3179, 2SC3179G, 2SC3179Y, 2SC3239 (Must use the insulating hardware supplied.), 2SC3239-O (Must use the insulating hardware supplied.), 2SC3258, 2SC3258-O, 2SC3299, 2SC3299-O (Must use the insulating hardware supplied.), 2SC3299(Y), 2SC3299Y, 2SC3308 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC3308-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC3746 (Must use the insulating hardware supplied.), 2SC3746-Q (Must use the insulating hardware supplied.), 2SC4007, 2SC4008 (Must use the insulating hardware supplied.), 2SC4148 (Must use the insulating hardware supplied.), 2SC4149 (Must use the insulating hardware supplied.), 2SC4327 (Must use the insulating hardware supplied.), 2SC4355 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SC4596 (Must use the insulating hardware supplied.), 2SC856L, 2SD1000Q (Must use the insulating hardware supplied.), 2SD1060, 2SD1060-O, 2SD1060Q, 2SD1060R, 2SD1060-Y, 2SD1061, 2SD1061Q, 2SD1062, 2SD1062Q, 2SD1062R, 2SD1117, 2SD1265 (Must use the insulating hardware supplied.), 2SD1265-0 (Must use the insulating hardware supplied.), 2SD12650 (Must use the insulating hardware supplied.), 2SD12650LB (Must use the insulating hardware supplied.), 2SD1265-0P (Must use the insulating hardware supplied.), 2SD12650P (Must use the insulating hardware supplied.), 2SD1265-0PB (Must use the insulating hardware supplied.), 2SD12650PQ (Must use the insulating hardware supplied.), 2SD1265A (Must use the insulating hardware supplied.), 2SD1265A-O (Must use the insulating hardware supplied.), 2SD1265A-P (Must use the insulating hardware supplied.), 2SD1265AP (Must use the insulating hardware supplied.), 2SD1265A-Q (Must use the insulating hardware supplied.), 2SD1265AQ (Must use the insulating hardware supplied.), 2SD1265-LB (Must use the insulating hardware supplied.), 2SD1265LB (Must use the insulating hardware supplied.), 2SD1265(LB)0 (Must use the insulating hardware supplied.), 2SD1265LB-0 (Must use the insulating hardware supplied.), 2SD1265LB-O (Must use the insulating hardware supplied.), 2SD1265LB-P (Must use the insulating hardware supplied.), 2SD1265-O (Must use the insulating hardware supplied.), 2SD1265O (Must use the insulating hardware supplied.), 2SD1265-OLB (Must use the insulating hardware supplied.), 2SD1265OLB (Must use the insulating hardware supplied.), 2SD1265-OP (Must use the insulating hardware supplied.), 2SD1265OP (Must use the insulating hardware supplied.), 2SD1265-OPL (Must use the insulating hardware supplied.), 2SD1265-OP(LB) (Must use the insulating hardware supplied.), 2SD1265-OPQ (Must use the insulating hardware supplied.), 2SD1265-P (Must use the insulating hardware supplied.), 2SD1265(P) (Must use the insulating hardware supplied.), 2SD1265P (Must use the insulating hardware supplied.), 2SD1265PQ (Must use the insulating hardware supplied.), 2SD1265-Q (Must use the insulating hardware supplied.), 2SD1265(Q) (Must use the insulating hardware supplied.), 2SD1265Q (Must use the insulating hardware supplied.), 2SD1265(QP) (Must use the insulating hardware supplied.), 2SD1265-R (Must use the insulating hardware supplied.), 2SD1266 (Must use the insulating hardware supplied.), 2SD1266A (Must use the insulating hardware supplied.), 2SD1266A-P (Must use the insulating hardware supplied.), 2SD1266A(P) (Must use the insulating hardware supplied.), 2SD1266AP (Must use the insulating hardware supplied.), 2SD1266A-Q (Must use the insulating hardware supplied.), 2SD1266A(Q) (Must use the insulating hardware supplied.), 2SD1266AQ (Must use the insulating hardware supplied.), 2SD1266A-R (Must use the insulating hardware supplied.), 2SD1266AR (Must use the insulating hardware supplied.), 2SD1266LB (Must use the insulating hardware supplied.), 2SD1266LB(P) (Must use the insulating hardware supplied.), 2SD1266LBPQ (Must use the insulating hardware supplied.), 2SD1266LB(Q) (Must use the insulating hardware supplied.), 2SD1266LBQ (Must use the insulating hardware supplied.), 2SD1266LVPQ (Must use the insulating hardware supplied.), 2SD1266-P (Must use the insulating hardware supplied.), 2SD1266(P) (Must use the insulating hardware supplied.), 2SD1266P (Must use the insulating hardware supplied.), 2SD1266-PQ (Must use the insulating hardware supplied.), 2SD1266PQ (Must use the insulating hardware supplied.), 2SD1266-Q (Must use the insulating hardware supplied.), 2SD1266(Q) (Must use the insulating hardware supplied.), 2SD1266Q (Must use the insulating hardware supplied.), 2SD1266-R (Must use the insulating hardware supplied.), 2SD1266(R) (Must use the insulating hardware supplied.), 2SD1266R (Must use the insulating hardware supplied.), 2SD1267 (Must use the insulating hardware supplied.), 2SD1267A (Must use the insulating hardware supplied.), 2SD1267ALBPQ (Must use the insulating hardware supplied.), 2SD1267AP (Must use the insulating hardware supplied.), 2SD1267APLB (Must use the insulating hardware supplied.), 2SD1267APQ (Must use the insulating hardware supplied.), 2SD1267AQ (Must use the insulating hardware supplied.), 2SD1267AR (Must use the insulating hardware supplied.), 2SD1267LB (Must use the insulating hardware supplied.), 2SD1267P (Must use the insulating hardware supplied.), 2SD1267Q (Must use the insulating hardware supplied.), 2SD1267R (Must use the insulating hardware supplied.), 2SD1345, 2SD1354 (Must use the insulating hardware supplied.), 2SD1354-O (Must use the insulating hardware supplied.), 2SD1354-Y (Must use the insulating hardware supplied.), 2SD1362 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD1362-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD1363, 2SD1363-O (Must use the insulating hardware supplied.), 2SD1363-Y, 2SD1406, 2SD1406-0, 2SD1406GR, 2SD1406-O (Must use the insulating hardware supplied.), 2SD1406-Y, 2SD1406Y, 2SD1406-YGR, 2SD1412 (Must use the insulating hardware supplied.), 2SD1412-0 (Must use the insulating hardware supplied.), 2SD1437, 2SD1442, 2SD1442A, 2SD1442AQ, 2SD1442AR, 2SD1442Q, 2SD1442R, 2SD1443, 2SD1443A, 2SD1443AQ, 2SD1443AR, 2SD1443Q, 2SD1443R, 2SD1444, 2SD1444A, 2SD1444AQ, 2SD1444AR, 2SD1444Q, 2SD1444R, 2SD1445 (Must use the insulating hardware supplied.), 2SD1445A (Must use the insulating hardware supplied.), 2SD1445AQ (Must use the insulating hardware supplied.), 2SD1445AR (Must use the insulating hardware supplied.), 2SD1445Q (Must use the insulating hardware supplied.), 2SD1445R (Must use the insulating hardware supplied.), 2SD1480 (Must use the insulating hardware supplied.), 2SD1480Q (Must use the insulating hardware supplied.), 2SD1480R (Must use the insulating hardware supplied.), 2SD1505, 2SD1539 (Must use the insulating hardware supplied.), 2SD1539A (Must use the insulating hardware supplied.), 2SD1539AR (Must use the insulating hardware supplied.), 2SD1539R (Must use the insulating hardware supplied.), 2SD1580, 2SD1666, 2SD1666Q (Must use the insulating hardware supplied.), 2SD1667 (Must use the insulating hardware supplied.), 2SD1667Q (Must use the insulating hardware supplied.), 2SD1668 (Must use the insulating hardware supplied.), 2SD1668Q (Must use the insulating hardware supplied.), 2SD1762 (Must use the insulating hardware supplied.), 2SD1778A, 2SD1855A (Must use the insulating hardware supplied.), 2SD1912, 2SD1985 (Must use the insulating hardware supplied.), 2SD1985A (Must use the insulating hardware supplied.), 2SD1985AQ (Must use the insulating hardware supplied.), 2SD1985AR (Must use the insulating hardware supplied.), 2SD1985Q (Must use the insulating hardware supplied.), 2SD1985R (Must use the insulating hardware supplied.), 2SD1990, 2SD1990Q, 2SD1990R, 2SD2000 (Must use the insulating hardware supplied.), 2SD2000R (Must use the insulating hardware supplied.), 2SD2027, 2SD2027Q, 2SD2037 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD2058 (Must use the insulating hardware supplied.), 2SD2060 (Must use the insulating hardware supplied.), 2SD3747 (Must use the insulating hardware supplied.), 2SD3747-Q (Must use the insulating hardware supplied.), 2SD613, 2SD613C (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 2SD613(D), 2SD613D, 2SD613(E), 2SD613E, 2SD704, 2SD704D, 2SD704E, 2SD843, 2SD843-O, 2SD843-Y, 2SD843(Y), 2SD843Y, 2SD856, 2SD856B, 2SD856L, 2SD856(LB), 2SD856LB, 2SD856M, 2SD856M(LB), 2SD856(P), 2SD856P, 2SD856PQ, 2SD856(Q), 2SD856Q, 2SD856Q(LB), 2SD856(R), 2SD856R, 2SD856S, 2SD866, 2SD866B, 2SD866(P), 2SD866P, 2SD866(Q), 2SD866Q, 2SD866R, 2SD866S, 3156, 3156(SAVILLE), 416-1(RCA), 46-861511-3 (Must use the insulating hardware supplied.), 48-155337, 4821-0000-059, 4822-130-41288, 482213041288, 4822-130-61179 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 482213061179 (Must use the insulating hardware supplied.), 4822-130-62549 (Must use the insulating hardware supplied.), 482213062549 (Must use the insulating hardware supplied.), 48-90210A03, 4890210A03, 48-90210A31 (Must use the insulating hardware supplied.), 4890210A31, 48-90223A61, 4890223A61, 48-90229A03 (Must use the insulating hardware supplied.), 4890229A03 (Must use the insulating hardware supplied.), 48-90233A25, 48-90233A28, 48-90235A54 (Must use the insulating hardware supplied.), 48S155286, 48S155337, 48X90210A03, 48X90210A31 (Must use the insulating hardware supplied.), 48X90223A25, 48X90223A61, 48X90229A03 (Must use the insulating hardware supplied.), 48X90233A28, 48X90235A54 (Must use the insulating hardware supplied.), 48X90420A56, 48X90478A23, 497-2574-5-ND, 497-2616-5-ND, 53223463, 5C-8979, 8-729-137-32, 8-729-201-78, 8-729-231-60, 8-729-400-81, 8-729-400-82, 935-6158, 991-021494, 991-021494-000, A6842185, BD243, BD951, C1265(TRANS) (Must use the insulating hardware supplied.), C2562, C2562-0, C2562-O, C2562-R, C2562R, C2562-Y, C2654L(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C2654M(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C2654(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C2963(TRANS), C3179, C3179G(TRANS), C3179(TRANS), C3179Y(TRANS), C3239 (Must use the insulating hardware supplied.), C3239-O (Must use the insulating hardware supplied.), C3258, C3258-O, C3299 (Must use the insulating hardware supplied.), C3299-O (Must use the insulating hardware supplied.), C3299Y, C3299Y(TRANS), C3308 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C3308-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C3746Q(TRANS) (Must use the insulating hardware supplied.), C3746(TRANS) (Must use the insulating hardware supplied.), C3747-Q(TRANS), C3747(TRANS), C3748-Q(TRANS), C3748(TRANS), C4007(TRANS), C4008(TRANS) (Must use the insulating hardware supplied.), C4148(TRANS) (Must use the insulating hardware supplied.), C4149(TRANS) (Must use the insulating hardware supplied.), C4327(TRANS) (Must use the insulating hardware supplied.), C4355(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), C4596(TRANS) (Must use the insulating hardware supplied.), D1060, D1060-O, D1060Q(TRANS), D1060R(TRANS), D1060(TRANS), D1060-Y, D1061, D1061Q(TRANS), D1061(TRANS), D1062, D1062Q, D1062Q(TRANS), D1062R, D1062R(TRANS), D1062(TRANS), D1117(TRANS), D1265 (Must use the insulating hardware supplied.), D1265-0 (Refer to Special Replacement Section on Page 1-345.), D1265A (Must use the insulating hardware supplied.), D1265A-O (Must use the insulating hardware supplied.), D1265AP (Must use the insulating hardware supplied.), D1265AQ (Must use the insulating hardware supplied.), D1265LB (Must use the insulating hardware supplied.), D1265LB-O(TRANS) (Must use the insulating hardware supplied.), D1265LB-P(TRANS) (Must use the insulating hardware supplied.), D1265-O (Refer to Special Replacement Section on Page 1-345.), D1265-OLB(TRANS) (Must use the insulating hardware supplied.), D1265-OP (Refer to Special Replacement Section on Page 1-345.), D1265-OPQ(TRANS) (Must use the insulating hardware supplied.), D1265-OP(TRANS) (Must use the insulating hardware supplied.), D1265P (Refer to Special Replacement Section on Page 1-345.), D1265Q (Refer to Special Replacement Section on Page 1-345.), D1265QP (Refer to Special Replacement Section on Page 1-345.), D1265-R(TRANS) (Must use the insulating hardware supplied.), D1266 (Must use the insulating hardware supplied.), D1266A (Must use the insulating hardware supplied.), D1266AQ (Must use the insulating hardware supplied.), D1266AR (Must use the insulating hardware supplied.), D1266LBQ(TRANS) (Must use the insulating hardware supplied.), D1266LB(TRANS) (Must use the insulating hardware supplied.), D1266P (Must use the insulating hardware supplied.), D1266PQ (Must use the insulating hardware supplied.), D1266PQ(TRANS) (Must use the insulating hardware supplied.), D1266P(TRANS) (Must use the insulating hardware supplied.), D1266Q (Must use the insulating hardware supplied.), D1266R (Must use the insulating hardware supplied.), D1267 (Must use the insulating hardware supplied.), D1267A (Must use the insulating hardware supplied.), D1267ALBPQ (Must use the insulating hardware supplied.), D1267AP (Must use the insulating hardware supplied.), D1267APLB (Must use the insulating hardware supplied.), D1267APQ, D1267APQ(TRANS) (Must use the insulating hardware supplied.), D1267AP(TRANS) (Must use the insulating hardware supplied.), D1267AQ (Must use the insulating hardware supplied.), D1267AR (Must use the insulating hardware supplied.), D1267LB (Must use the insulating hardware supplied.), D1267P (Must use the insulating hardware supplied.), D1267Q (Must use the insulating hardware supplied.), D1267R (Must use the insulating hardware supplied.), D1345, D1345(TRANS), D1354 (Must use the insulating hardware supplied.), D1354-O (Must use the insulating hardware supplied.), D1354-Y (Must use the insulating hardware supplied.), D1362 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D1362-O (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D1363, D1363-O (Must use the insulating hardware supplied.), D1363Y, D1363-Y(TRANS) (Must use the insulating hardware supplied.), D1406, D1406-0 (Must use the insulating hardware supplied.), D1406-GR, D1406-O, D1406-Y, D1406Y, D1406-YGR(TRANS) (Must use the insulating hardware supplied.), D1412-O(TRANS) (Must use the insulating hardware supplied.), D1412(TRANS) (Must use the insulating hardware supplied.), D1437(TRANS), D1442AQ(TRANS), D1442AR(TRANS), D1442A(TRANS), D1442Q(TRANS), D1442(TRANS), D1443AQ(TRANS), D1443AR(TRANS), D1443A(TRANS), D1443Q(TRANS), D1443R(TRANS), D1443(TRANS), D1444, D1444AQ(TRANS), D1444AR(TRANS), D1444A(TRANS), D1444Q(TRANS), D1444R(TRANS), D1444(TRANS), D1445A (Must use the insulating hardware supplied.), D1445AQ(TRANS) (Must use the insulating hardware supplied.), D1445AR(TRANS) (Must use the insulating hardware supplied.), D1445A(TRANS) (Refer to Special Replacement Section on Page 1-345.), D1445Q(TRANS) (Must use the insulating hardware supplied.), D1445R(TRANS) (Must use the insulating hardware supplied.), D1445(TRANS) (Must use the insulating hardware supplied.), D1457R(TRANS) (Must use the insulating hardware supplied.), D1475Q(TRANS) (Must use the insulating hardware supplied.), D1475(TRANS) (Must use the insulating hardware supplied.), D1476Q(TRANS), D1476R(TRANS), D1476(TRANS), D1480Q(TRANS) (Must use the insulating hardware supplied.), D1480R(TRANS) (Must use the insulating hardware supplied.), D1480(TRANS) (Must use the insulating hardware supplied.), D1505(TRANS), D1539AR(TRANS) (Must use the insulating hardware supplied.), D1539A(TRANS) (Must use the insulating hardware supplied.), D1539R(TRANS) (Must use the insulating hardware supplied.), D1539(TRANS) (Must use the insulating hardware supplied.), D1580(TRANS), D1666, D1666Q(TRANS) (Must use the insulating hardware supplied.), D1666(TRANS) (Must use the insulating hardware supplied.), D1667Q(TRANS) (Must use the insulating hardware supplied.), D1667(TRANS) (Must use the insulating hardware supplied.), D1668Q(TRANS) (Must use the insulating hardware supplied.), D1668(TRANS) (Must use the insulating hardware supplied.), D1762 (Must use the insulating hardware supplied.), D1762(TRANS) (Must use the insulating hardware supplied.), D1778A(TRANS), D1855A(TRANS) (Must use the insulating hardware supplied.), D1912(TRANS), D1985AQ(TRANS) (Must use the insulating hardware supplied.), D1985AR(TRANS) (Must use the insulating hardware supplied.), D1985A(TRANS) (Must use the insulating hardware supplied.), D1985Q(TRANS) (Must use the insulating hardware supplied.), D1985R(TRANS) (Must use the insulating hardware supplied.), D1985(TRANS) (Must use the insulating hardware supplied.), D1990Q(TRANS), D1990R(TRANS), D1990(TRANS), D2000Q(TRANS) (Must use the insulating hardware supplied.), D2000R(TRANS) (Must use the insulating hardware supplied.), D2000(TRANS) (Must use the insulating hardware supplied.), D2027, D2027Q, D2027(TRANS), D2037 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D2037(TRANS) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D2058(TRANS) (Must use the insulating hardware supplied.), D2060(TRANS) (Must use the insulating hardware supplied.), D3747Q(TRANS) (Must use the insulating hardware supplied.), D3747(TRANS) (Must use the insulating hardware supplied.), D44C1, D44C10, D44C11, D44C12, D44C2, D44C3, D44C4, D44C5, D44C6, D44C7, D44C8, D44C8B, D44C9, D44H1, D44H10, D44H11, D44H2, D44H3, D44H4, D44H5, D44H6, D44H7, D44H8, D44H9, D44VM1, D44VM10, D44VM4, D44VM7, D476AK, D476AKB, D476AKC, D476K, D476KB, D476KC, D613, D613C (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), D613D, D613E, D704, D704D, D704E, D843, D843-O, D843Y, D856, D856B, D856L, D856LB, D856M, D856P, D856Q, D856R, D856S(TRANS), D866, D8666P, D866B, D866P, D866Q, D866R, D866S, DH44H12, ECG377, EP15X0068, EW15X0399, EW15X235, EW15X262, EW15X278, EW15X320, EW15X346, EW15X406, EW15X413, EW15X415, FD-1029-WK, KTD1406Y (Must use the insulating hardware supplied.), KTD2012, KTD2058 (Must use the insulating hardware supplied.), KTD2058A (Must use the insulating hardware supplied.), KTD2060 (Must use the insulating hardware supplied.), MJE2801T, NTE377, QTD0704XAE, RN-EVS-2SD1061-E, SK9112, SK9112/377, ST44C1, ST44C10, ST44C11, ST44C12, ST44C2, ST44C3, ST44C4, ST44C5, ST44C6, ST44C7, ST44C8, ST44C9, ST44H1, ST44H10, ST44H11, ST44H2, ST44H4, ST44H5, ST44H7, ST44H8, ST44VM1, ST44VM4, TD30016660, TD50014060 (Must use the insulating hardware supplied.), TG2SD613D, TG2SD613E, TM377, TP10S4 (Must use the insulating hardware supplied.), TP7S4 (Must use the insulating hardware supplied.), TT2SD843Y, VS2SC3299Y/-1, VS2SC3299Y/1E, VS2SD1267-P1E, X302369100 (Must use the insulating hardware supplied.), X302374609 (Must use the insulating hardware supplied.), X302374809 (Must use the insulating hardware supplied.), X44C758, X44H454, X44H462

VET377 (Replaces NTE377) - NPN Transistor, SI Power Driver/Power Output | Vetco Electronics