TIP31A NPN Power Transistor – 130V 4A

Reliable NPN Transistor for Versatile Electronics Projects

The TIP31A NPN power transistor is perfect for everyday electronics and DIY projects, offering a simple and durable solution for amplifying or switching medium-power signals. This silicon planar, general-purpose transistor provides high current and voltage ratings, making it easy for hobbyists and individuals to upgrade or repair audio amplifiers, power supplies, or switching circuits.

Easy-to-Use TO-220 Package

Encased in a standard TO-220 package, the TIP31A is straightforward to mount and install. Its design makes it easy for consumers to work with, whether you’re building a custom project or replacing a faulty component.

Key Features and Technical Specifications

• Type: NPN Bipolar Junction Transistor (T-NPN, SI-PO)
• Maximum Collector-Emitter Voltage (V_CEO): 130V
• Maximum Collector Current (I_C): 4A
• Package: TO-220
• Quantity per package: 1

Benefits

• Handles demanding amplifier and switching tasks with ease
• Suitable for audio, power supply, and general switching circuits
• Simple installation and reliable performance

Great for beginners and experienced electronics enthusiasts alike, the TIP31A NPN transistor helps bring your circuits to life with dependable performance and straightforward integration. Reference: NTE291 (TIP31A).

This part is the equivalent replacement for the following:

001-044274-002, 0030-0091, 005-1, 005-1(SYL), 01-040724, 020425-003, 02H2179, 06120, 06130018, 074-1(SYL), 074-2, 09-303034, 1063-5688, 1072-01(ZENITH), 1072-1, 1072-1(ZENITH), 1140-3219, 121-1008, 121-1049, 121-1061, 121-1072, 121-1072-01, 121-1072-1, 121-970, 121-970-02, 121-987, 121-987-02, 121-992, 121-992-01, 121-Z9047, 1324, 13300, 13-31013-18, 13-39074-2, 13-39099-1, 13-41628-2, 13-43005, 13-43005-1, 13-82552-1, 1385-3890, 14-000937-23, 1434, 15-123202, 152283, 1854-0727, 187-12(ADMIRAL), 189311, 1C03, 1C16246, 1D00922, 1D02591, 1D03812, 2003162538, 200X3162-538, 200X3162-538(WELLS-G), 200X3162-538(WELLSG), 200X4547-806, 2149-301-710, 21A118-063, 21A118-282, 21A118282, 22-0028, 2200393, 2200394, 23114955, 23114969, 231591, 2321301, 2321305, 2321433, 2323123, 260P37108, 2N5051, 2N6473, 2N6474, 2SA1060, 2SA1408(OY)-LB, 2SC1108, 2SC1109, 2SC1110, 2SC1409, 2SC1409A, 2SC1409AA, 2SC1409AB, 2SC1409AC, 2SC1409B, 2SC1409C, 2SC1410, 2SC1410A, 2SC1410AA, 2SC1410AB, 2SC1410AC, 2SC1410B, 2SC1410C, 2SC1448A, 2SC1448C, 2SC1448LB, 2SC1448P, 2SC1448Q, 2SC1448R, 2SC1448S, 2SC1624, 2SC1624-0, 2SC1624-O, 2SC1624T, 2SC1624-Y, 2SC1624Y, 2SC1625, 2SC1625-0, 2SC1625-LBGL1, 2SC1625-O, 2SC1625Y, 2SC1625YLBGL, 2SC1625YLBG-L1, 2SC1625YLBGL1, 2SC1827, 2SC1827Q, 2SC1827Y, 2SC2141, 2SC2141-10, 2SC2141KC, 2SC2141KD, 2SC2141LC, 2SC2141NE, 2SC3851 (Must use the insulating hardware supplied.), 2SC3851-A (Must use the insulating hardware supplied.), 2SC3851(A) (Must use the insulating hardware supplied.), 2SC3851A (Must use the insulating hardware supplied.), 2SC4369 (Must use the insulating hardware supplied.), 2SD1131, 2SD1131B, 2SD1131C, 2SD1132, 2SD1133, 2SD1133B, 2SD1133CRB156, 2SD1133(D), 2SD1133D, 2SD1134, 2SD1134B, 2SD1134-C, 2SD1134C, 2SD1135, 2SD1135-5, 2SD1135B, 2SD1135C, 2SD1137, 2SD123, 2SD1310 (Must use the insulating hardware supplied.), 2SD1310K (Must use the insulating hardware supplied.), 2SD1310L (Must use the insulating hardware supplied.), 2SD1310M (Must use the insulating hardware supplied.), 2SD1311 (Must use the insulating hardware supplied.), 2SD1334-C, 2SD1352, 2SD1352O, 2SD1352R, 2SD1408, 2SD1408-O (Must use the insulating hardware supplied.), 2SD1408(O)-LB (Must use the insulating hardware supplied.), 2SD1408(OY)-LB, 2SD1408/OY/-LB, 2SD1408(OY)LB, 2SD1408OYLB, 2SD1408-R (Must use the insulating hardware supplied.), 2SD1408-Y, 2SD1408Y, 2SD1408(Y)-LB (Must use the insulating hardware supplied.), 2SD154A, 2SD154B, 2SD154C, 2SD154E, 2SD154F, 2SD154G, 2SD154GN, 2SD154H, 2SD154J, 2SD154K, 2SD154(L), 2SD154L, 2SD154M, 2SD154R, 2SD154X, 2SD154Y, 2SD155H, 2SD155(K), 2SD1585, 2SD1585-K, 2SD1585K, 2SD1585LK, 2SD1586 (Must use the insulating hardware supplied.), 2SD1586L (Must use the insulating hardware supplied.), 2SD1586M (Must use the insulating hardware supplied.), 2SD1622, 2SD1761 (Must use the insulating hardware supplied.), 2SD1761F (Must use the insulating hardware supplied.), 2SD243, 2SD244, 2SD258, 2SD259, 2SD356, 2SD356C, 2SD356D, 2SD356E, 2SD357, 2SD357C, 2SD357D, 2SD357E, 2SD358, 2SD358C, 2SD358D, 2SD358E, 2SD381, 2SD381A, 2SD381K, 2SD381L, 2SD381M, 2SD381N, 2SD382, 2SD382K, 2SD382L, 2SD382LM, 2SD382M, 2SD382N, 2SD595QLB, 2SD689, 2SD723, 2SD726, 2SD726B, 2SD726C, 2SD726D, 2SD743, 2SD743A, 305-003055, 305-003057, 305-004008, 305-04012, 334-1026, 35963111, 35963112, 35C0639, 35C0641, 48-155091, 4820004, 482-0016, 482-0016(GREMLIN), 482213036411 (Must use the insulating hardware supplied.), 4822-130-63411 (Must use the insulating hardware supplied.), 4835-130-47089, 483513047089, 48S155091, 497-2580-5-ND, 497-2602-5-ND, 497-2611-5-ND, 497-2615-5-ND, 507660-1, 510038S, 513111S, 57A187-12, 57A296-10, 57A311-14, 57B187-12, 57B296-10, 57B311-14, 610395-1, 610462, 6104620001, 6104620002, 6104620005, 610462-1, 610462-2, 610462-3, 610462-5, 657180-2, 6621002800, 6-907, 860051552, 860051562, 86-5163-2, 87-0228, 8-729-104-33, 8-729-107-26, 8-729-141-89, 8-729-202-03, 8-729-313-42, 8-729-635-82, 8-765-500-00, 921-429, 921-467, 935-6132, 966-02, 991-020425-0, 991-020425-003, 992-01, 992-01(ZENITH), AMX3528, AMX3582, B5F, BD241C, BDT29, BDT29A, BDT29AF (Must use the insulating hardware supplied.), BDT29B, BDT29BF (Must use the insulating hardware supplied.), BDT29C, BDT29F (Must use the insulating hardware supplied.), BDT31, BDT31A, BDT31AF (Must use the insulating hardware supplied.), BDT31B, BDT31BF (Must use the insulating hardware supplied.), BDT31C, BDT31CF (Must use the insulating hardware supplied.), BDT31F (Must use the insulating hardware supplied.), BDX25, BDX29, BDX29-10, BDX29-6, BDX30, BDX30-10, BDX30-6, BDY81, C1107, C1108, C1109, C1409, C1409A, C1409AA, C1409AB, C1409AC, C1409B, C1409C, C1410, C1410A, C1410AA, C1410AB, C1410AC, C1410B, C1410C, C1624, C1624-O, C1624T, C1624-Y, C1624Y, C1625, C1625-0, C1625-LBGL1, C1625-O, C1625Y, C1625YLBGL, C1625YLBGL1, C1827, C1827Y(TRANS), C3851 (Must use the insulating hardware supplied.), C3851A (Must use the insulating hardware supplied.), C3851A(TRANS) (Must use the insulating hardware supplied.), C3851(TRANS) (Must use the insulating hardware supplied.), C4369(TRANS) (Must use the insulating hardware supplied.), C790-O, D1131B, D1131C, D1131(TRANS), D1132(TRANS), D1133, D1133B(TRANS), D1133C(TRANS), D1133D, D1133(TRANS), D1134, D1134B(TRANS), D1134C, D1134C(TRANS), D1134(TRANS), D1135, D1135-5, D1135-5(TRANS), D1135B, D1135B(TRANS), D1135C, D1135C(TRANS), D1135(TRANS), D1137, D1310K(TRANS) (Must use the insulating hardware supplied.), D1310L(TRANS) (Must use the insulating hardware supplied.), D1310M(TRANS) (Must use the insulating hardware supplied.), D1310(TRANS) (Must use the insulating hardware supplied.), D1311(TRANS) (Must use the insulating hardware supplied.), D1334-C, D1352O(TRANS), D1352R(TRANS), D1352(TRANS), D1408, D1408-O (Must use the insulating hardware supplied.), D1408(O)-LB (Must use the insulating hardware supplied.), D1408(OY)-LB, D1408/OY/-LB, D1408(OY)LB, D1408OYLB, D1408-R (Must use the insulating hardware supplied.), D1408-Y, D1408(Y)-LB (Must use the insulating hardware supplied.), D1585, D1585K, D1585-K(TRANS) (Must use the insulating hardware supplied.), D1585(TRANS) (Must use the insulating hardware supplied.), D1586L(TRANS) (Must use the insulating hardware supplied.), D1586M(TRANS) (Must use the insulating hardware supplied.), D1586(TRANS) (Must use the insulating hardware supplied.), D1622, D1716F(TRANS) (Must use the insulating hardware supplied.), D1761 (Must use the insulating hardware supplied.), D1761F(TRANS) (Must use the insulating hardware supplied.), D1761(TRANS) (Must use the insulating hardware supplied.), D243, D244, D258, D259, D356, D356C, D356D, D356E, D357, D357C, D357D, D357E, D358, D358C, D358D, D358E, D381, D381A, D381K, D381L, D381M, D381N, D382, D382K, D382L, D382LM, D382M, D382N, D689, D712D, D723, D726, D726A, D726B, D726C, D726D, D743, D743A, D743A(TRANS), D743(TRANS), DTM11, E-00585-0043, ECG291, EP15X142, EP2779, EP-3024, EP3024, EP430, EP673, EP673D, F-13317, F13317, GE-302, IC162450, IC162460, ID025910, ID038120, ID38120, KSC526-O, KSC526R, KSD288-O, KSD288-Y, KSD362-N, KSD526, KSD526Y, KTC1352, KTC4369 (Must use the insulating hardware supplied.), KTD1351A, KTD1351-Y, KTD1351Y, KTD526, KTD526-O, KTD526R, NTE291, Q5137BA, Q5137CA, RCA1C03, RCA1C12, RCA29B, RCA29BSDH, RCA29C, RCA29CSDH, REN291, SK3440, SK3440/291, SW4F013, T1P29A, T1P29B, T1P29C, T1P29XA, T1P31, T1P31A, T1P-31B, T1P31/B, T1P31B, T1P-31C, T1P31/C, T1P31C, TIP29, TIP-29A, TIP29/A, TIP29A, TIP-29B, TIP29/B, TIP-29C, TIP29/C, TIP29C, TIP-31A, TIP31/A, TIP31A, TIP-31B, TIP31/B, TIP31B, TIP-31C, TIP31/C, TIP31C, TIP61B, TIP61C, TM291, TVS2SD401, TZ1072, TZ992-01(ZENITH), VS2SC1827//1E, VS2SC1827//2E, VS2SC1827Y/1E, VS2SC2073//1E, VS2SC2073//3E, VS2SC2073/3E, VS2SC2073LB2E, VS2SC2073LBE, VS2SC3851A/-1 (Must use the insulating hardware supplied.), VS2SD357-D/-1, VS2SD478SYL2E, VS2SD478YL2E, VS2SD478-YL-ZE, VS2SD724///1A, WEP280, WEP780, X0307, X0307(GOTTLIEB), X0641, X0641(GOTTLIEB)