12V 1W Zener Diode – Reliable Voltage Regulation

Overview

This 12V 1W Zener diode delivers precise and reliable voltage regulation for demanding electronic designs. With a nominal regulating voltage of 12.0 volts and a 1 watt power rating, it is well-suited for voltage clamping, circuit protection, and reference applications in both analog and digital circuits.

Key Features

• Nominal Regulating Voltage: 12.0V
• Power Dissipation: 1 Watt
• Package Type: DO-41 Through Hole
• Part Number: NTE142A
• Sold Individually (Qty Per Package: 1)

Applications

• Voltage regulation in power supplies
• Overvoltage protection
• Voltage reference for precision circuits
• Clamping to protect sensitive ICs and components

Usage Instructions

Install in any standard through hole PCB layout compatible with DO-41 packages. Observe polarity, with the cathode marked for correct orientation. For optimal performance in voltage regulation or clamping configurations, use according to your circuit's rated power and voltage requirements.

This part is the equivalent replacement for the following:

0003-009700, 001-023037, 003-009200, 003-009700, 003-010000, 003114, 004887, 029-GA, 029-GC, 02X12GR, 0330302, 03-933943, 05-933943, 05Z12Y, 06200058, 06200127, 06200168, 06507, 09-306179, 09-306391, 0A126/12, 0A12612, 0AZ213, 0Z12T10, 0Z12T5, 1000-2640, 1002-4404, 1029-GA, 103-00279-21A, 1030027921A, 103-00472A, 10300472A, 103-158, 103-279-21, 1033, 103-409, 103-475A, 103475A, 103-Z9003, 1048-9854, 1060-9568, 1063-3584, 11115030, 120504, 125126, 1266-2326, 12B1, 12B1(1-WATT), 12B1(1WATT), 12B(1WATT), 12B2, 12B2(ZENER), 12B3(ZENER-1WATT), 12C5Y, 12M12T5, 12SZ-EQB01-12A, 12V, 13-0033179-006, 13-0033179-014, 130328, 130380, 13-14879-2, 1321-1461, 132416, 132865, 13-33179-14, 13-33179-6, 1346-8970, 134882256354, 13-55332-1, 14-000515-75, 14002-6, 14002-6(FISHER), 1411-135, 141429, 141581, 142134, 1444875-1, 144-7013-01, 14-509-01, 14-515-01, 14-515-03, 14-515-25, 1474777-1, 1477046-004, 147704-6-4, 1477046-4, 1/4A12, 1/4A12A, 1/4A12B, 1/4Z12T5, 150363, 152-039, 152-039-9-001, 160, 165358, 16Z4, 1766, 178640, 178645, 179-14(SYL)(ZENER), 179-14(SYL-ZENER), 179-6(SYL), 18-085002, 1902-1174, 192-1120, 192-1120(NAP-ZENER), 192-120, 192-120(MAG-ZENER), 1A12M, 1A12MA, 1AC12, 1AC12A, 1AC12B, 1B759, 1C12Z, 1C12ZA, 1DAZ3403B, 1DZ12, 1E12Z, 1E12Z10, 1E12Z5, 1E2Z5, 1EZ12, 1EZ12D, 1EZ12D10, 1EZ12D5, 1EZ12T10, 1F00037, 1M12Z, 1M12Z10, 1M12Z5, 1M12ZS10, 1M12ZS5, 1MJJ12, 1MJJ12A, 1N1426, 1N1513, 1N1513A, 1N1524, 1N1524A, 1N1713, 1N1773, 1N1773A, 1N1877, 1N1877A, 1N1960A, 1N2037-1, 1N2037A, 1N3022, 1N3022A, 1N3022B, 1N3435, 1N3447, 1N3537, 1N3681, 1N3681A, 1N3681B, 1N4106A, 1N4164, 1N4164A, 1N4164B, 1N4329, 1N4329A, 1N4329B, 1N4406, 1N4406A, 1N4406B, 1N4634, 1N4663, 1N4742, 1N4742A, 1N4834, 1N4834A, 1N4896, 1N4896A, 1N5565, 1N5565A, 1N5565B, 1N5858A, 1N5858B, 1N665, 1N716B, 1N716(ZENER), 1R12, 1R12A, 1R12B, 1S141, 1S1739, 1S1962, 1S2119, 1S2119A, 1S2127, 1S2138, 1S2196, 1S2496, 1S2553, 1S3012, 1S337A, 1S337E, 1S337-Y, 1S337Y, 1S696, 1SZ40-12, 1T12, 1T12A, 1T12B, 1TA12, 1TA12A, 1Z12, 1Z12A, 1Z12B, 1Z12C, 1Z12T10, 1Z12T20, 1Z12T5, 1ZB12, 1ZB12B, 1ZC12, 1ZC12T10, 1ZC12T20, 1ZC12T5, 1ZD12, 1ZF12T10, 1ZF12T20, 1ZF12T5, 1ZM12T10, 1ZM12T20, 1ZM12T5, 1ZS12A, 1ZT12, 1ZT12B, 200157, 2002209-10, 2012230109, 2012230312, 2093A39-12, 2093A41-56, 2093A41-60, 2093A80-1, 21A037-003, 21A037-008, 220637, 223918, 224780, 23115919, 232-0009-31, 232-0030, 2327071, 2330241, 2331152, 2337101, 2337783, 253-14(MAG-ZENER), 253-6(MAG-ZENER), .25T12, .25T12A, .25T12B, 25Z6, 25Z6A, 25Z6AF, 25Z6F, 264P03303, 264P09301, 264P11004, 264P487070, 264P487080, 264P487090, 296L003B01, 296V017H01, 296V018B01, 296V019B01, 2S473H, 300313004, 30600140, 30709K(ZENER), 317208, 337-02005, 337-02007, 34-8057-14, 34-8057-33, 34-8057-41, 34-8057-53, 3/4T12D5, 3/4Z12D10, 3/4Z12D5, 3520(DIODE), 3520(WARDS), 35219, 3597553, 3597763, 3598960, 3599658, 3600249, 36539, 36-6343, 36902020, 37SZ-BZ-120, 39-13, 39(SHARP), 39SZ-RD12FB, 407-049-3403, 407-059-3400, 41-0905, 4-1205-01200, 4129501200, 4-2020-12400, 42025-850, 42-27541, 424-0261, 46-861381-1, 46-86379-3, 46-86523-2, 46-86523-3, 46-86570-3, 4777-1(RCA), 4800037, 48-03073A04, 48-137177, 48-137272, 48-155103, 4822-130-31038, 482213031038, 48-32000, 4835-130-34382, 483513034382, 4835-130-37423, 483513037423, 4875-1(RCA), 48-82256C54, 48-90232A93, 4890235A57, 48-97048A08, 48-97048A16, 489752-045, 48D82256C25, 48D82256C54, 48S134850, 48S137000, 48S155103, 48S32000, 48S90233A07, 48X90232A93, 48X90233A07, 48X97048A08, 4J24X539, 4JX24X539, 4JZ4X539, 4JZ4XL12, .4T12A, .4T12B, 4W01-13, 50Z12, 50Z12A, 50Z12B, 50Z12C, 51-02029-04, 5122, 5222, 523-2003-120, 523-2503-120, 530073-1013, 530073-13, 530073-14, 530073-6, 530118-2, 530145-120, 530157-1120, 530163-120, 530192-1120, 530192-120, 5302531006, 5302531014, 530253-14, 530253-6, 5302541011, 5330601, 53A001-10, 540-024, 5490307-P3, 561-2557-161, 561-2560-963, 561-2597-420, 561-2597-421, 56-4837, 56-51, 56-57, 59991-1, 600X0101-066, 601X0226-0666, 610073-13, 62390174, 62564504, 62921967, 63-9942, 65-085004, 66F0074, 66F0076, 68SZ-12FB3, 68SZ-RD12FB3, 690V103H53, 690V116H40, 7046-004(RCA), 707W02315, 71411-002, 71411-2, 7492377-5, 7492377-P5, .75N12, 75N12, 75Z12, 75Z12A, 75Z12B, 75Z12C, 760304, 78-271383-1, 78SZ-UZP-12B, .7JZ12, .7Z12, .7Z12A, .7Z12B, .7Z12C, .7Z12D, .7ZM12, .7ZM12A, .7ZM12B, .7ZM12C, .7ZM12D, 800-004-00, 800-023-00, 800-035-00, 801731, 817155, 817208, 831-124, 86-0521, 86-25-1, 86-31-1, 86-51-1, 86-65-1, 86-85-1, 86-92-1, 8-719-931-12, 879-2(SYL), 88SZ-RD12FB2, 8-905-421-234, 8-905-421-319, 903-00364, 903-364, 903-97B, 919-00-1445-002, 919-00-1445-2, 919-001445-2, 919-003309-2, 919-013058, 919-013732, 922693, 935-6308, 93A39-12, 93A39-12(VOL.-REG.), 93A39-12(VOL.REG.), 93A39-43, 93A80-1, 93B39-12, 93B39-13, 93B39-43, 93C39-12, 93C39-13, 93C39-2, 93C39-43, 93C39-6, 93D39-43, 93D39-43-52T, 94A80-1, 94EQA01-12R, 96-5091-01, 96-5133-01-02, 96-5133-02, 96-5248-04, 99201-110, 99201-219, 99202-218, 99202-318, A054-151, A-134166-2, A1-DHZ-LAA-024, A2474, A36539, A7110411, A7287500, A7287513, AU2012, AV2012, AV5, AW01, AW01-12, AW-01-12C, AW01-12C, AW01-12V, AW0113, AW08-12, AX12, AZ-120, B66X0040-001, BN7551, BZ-12, BZ-120, BZ120, BZV17C12, BZV85C12, BZX17, BZX29C12, BZX59C12, BZX64C12, BZX69C12, BZX85C12, BZX89C12, BZY18, BZY-19, BZY19, BZY92C12, BZY94/C12, C4018, CD31-00015, CD31-12022, CD4116, CD4117, CD4118, CD4121, CD4122, CR956, CX-0052, CX0052, CXL142, CXL5021, CZ12B, CZB12, CZD012-5, D-00484R, D2G-3, D2G-4, D3W, D93011201B, D940W01120, DS-108, DX-1163, DX-2451, DZ-12, DZ12A, DZB12, DZB12C, E0771-7, E12087G, E1216ZG, E1445ZA, E1645Z, E1852, E262, EA1318, EA16X162, EA16X29, EA16X77, EA2500, EA3719, ECG142, ECG142A, EE5A-12G, ELP12G, EP16X36, EQA01-12SL, EQA01-12ST, EQA01-12Z, EQAO1-12S1, EQB01-12, EQB01-12A, EQB01-12B, EQB01-12BV, EQB01-12M, EQB01-12R, EQB1-12M, EQG-12A, ES10234, ET16X15, EVR12, EVR12A, EVR12B, EW16X487, EX0022TA, EX0038CE, EX0061CE, EX0592CEZZ, EZ12(ELCOM), FD-1029-GA, FZ1215, FZ12A, FZ12T10, FZ12T5, G01-037-A, G12T10, G12T20, G12T5, GEZD-12, GXI12G, GZ1-12G, GZB12, GZB12B, H-00005, H089, HD3000101-0, HD3002409, HE-234-266(ZENITH), HEP105, HEPZ0222, HEP-Z0415, HEPZ0415, HEPZ0416, H-EX0061CE, HF-20041, HM12B, HN-00005, HO89, HS2120, HS7120, HW12, HW12A, HW12B, HZ-12 (Lead configuration may vary from the original device. Consult technical section for device outline.), HZ12P, HZ12PB, HZ-212, HZ-312B, HZ5242, IDAZ3403B, IE12Z5, ITT417, ITT417(ZENITH), J20438, JZ12B, KD2505, KS120A, KS120B, KS2120A, KS2120B, KS44A, KS44AF, KS44B, KS44BF, LPM12, LPM12A, LPZT12, LR120C, LR120CH, LZZ1-12, M12Z, M4Z12, M4Z12-20, M4Z12A, MA2120, MC6016, MC6016A, MC6116, MC6116A, MD759, MD759A, MEZ1-12G, MEZ12T10, MEZ12T5, MR120C-H, MTZ616, MTZ616A, MZ-1000-15, MZ1000-15, MZ1012, MZ-11, MZ-12, MZ12, MZ12A, MZ-12B, MZ12B, MZ-212, MZ212, MZ412B, MZ500-18, MZ500.18, MZ92-12A, N-EA16X29, NGP5010, NT50C12, NT5522, NT55C12, NTE142A, O2Z12GR, O5Z12, OA126-12, OA126/12, OA12612, OAZ213, OAZ273, OZ12T10, OZ12T5, PD6016, PD6016A, PD6057, PR617, PS10022B, PS10066, PS8915, PTC507, QA01-12S, QA112R1, QA112RI, QB112E1, QZ12T10, QZ12T5, R-1348, R2D, R-7103, R7894, R8364, RD12, RD-12-0F, RD12EC, RD12F, RD12FA, RD12FB, RD12F(B1), RD12FB1, RD12FB2, RD12FB3, RD12FBT, RD12M, RD12-OF, RD13K, RD2, RE118, REN142, RH12F, RH-AX0038CEZZ, RH-EX0015CEZZ, RH-EX0038CEZZ, RHEX0038CEZZ, RH-EX0045TAZZ, RH-EX0061CEZZ, RS1348, RS563, RT-243, RVDRD12FB, S1R12B, S1R13B, S5242B, SD-33, SD33, SD53, SFZ716, SI-RECT-228, SI-RECT-230, SK12V, SK12V/142A, SK3062, SK3062/142A, SM-A-595831-124, SP3062, SV1017, SV135, SV4012, SV4012A, SV44, SVDEQA0112R, SW01, SZ12, SZ12.0, SZ12B, SZ-200-12, SZ671-B, SZ671-G, SZ-BZ-120, SZ-EQB01-12A, SZ-RD12FB, SZ-RD12FB2, SZT8, SZ-UZP-12B, T-E1068, TE1068, T-E1077, TE1077, T-E1106, T-E1140, TM142, TM142A, TMD10, TMD10A, TR14002-6, TR2337101, TR-75, TR-7SB, TS-337, TVS1N741A, TVS1N741H, TVSEQA01-125, TVSEQB01-12, TVSQA01-12S, TVSQA112R1, TVSQA112RI, TVSQB112, TVSQB112E1, TVSQB112ZE, TVSRD12EB2, TVSRD12FB2, TVSRD12FB3, TVS-RD13A, TVS-RD13D, TVS-RD13M, TVS-RD13P, TVS-RD(M)(P)D, TZ12, TZ12A, TZ12B, TZ12C, UDZ8712, UZ1-12, UZ12B, UZ8712, UZ8812, UZL-12, UZP-12B, V160, VHEBZ-120, VR12, VR12A, VR12B, W1-120, W6-120, W7-120, W8-120, W9-120, WA-120, WA-120A, WA-120B, WA-120C, WA-120D, WB-120, WB-120A, WB-120B, WB-120C, WB-120D, WC-120, WC-120A, WC-120B, WC-120C, WC-120D, WD-120, WD-120A, WD-120B, WD-120C, WD-120D, WE-120, WE-120A, WE-120B, WE-120C, WE-120D, WEP105, WEP1112, WF-100B, WF-100C, WF-100D, WF-120, WF-120A, WF-120B, WF-120C, WF-120D, WG-120, WG-120A, WG-120B, WG-120C, WG-120D, WH-120, WH-120A, WH-120B, WH-120C, WH-120D, WI-120, WI-120A, WI-120B, WI-120C, WI-120D, WJ-120, WJ-120A, WJ-120B, WJ-120C, WJ-120D, WK-120, WK-120A, WK-120B, WK-120C, WK-120D, WL-120, WL-120A, WL-120B, WL-120C, WL-120D, WM-120, WM-120A, WM-120B, WM-120C, WM-120D, WN-120, WN-120A, WN-120B, WN-120C, WN-120D, WO-120, WO-120A, WO-120B, WO-120C, WO-120D, WP-120, WP-120A, WP-120B, WP-120C, WP-120D, WQ-120, WQ-120A, WQ-120B, WQ-120C, WQ-120D, WR-120, WR-120A, WR-120B, WR-120C, WR-120D, WS-120, WS-120A, WS-120B, WS-120C, WS-120D, WT-120, WT-120A, WT-120B, WT-120C, WT-120D, WU-120, WU-120A, WU-120C, WU-120D, WU-125, WU-125A, WU-125B, WU-125C, WU-125D, WU-20B, WV-120, WV-120A, WV-120B, WV-120C, WV-120D, WW-115, WW-115A, WW-115B, WW-115C, WW-115D, WW-120, WW-120A, WW-120B, WW-120C, WW-120D, WX-120, WX-120A, WX-120B, WX-120C, WX-120D, WY-120, WY-120A, WY-120B, WY-120C, WY-120D, WZ12, WZ535, WZ917, X0257, X0257(GOTTLIEB), X330302, XQ-RD12EC, XQ-RD12FB, XZ-122, Z0-12, Z0-12A, Z0-12B, Z0222, Z0415, Z0B-12, Z0B12, Z0C12, Z0D12, Z-1014, Z1112, Z-1112C, Z1112-C, Z1112C, Z111Z, Z12, Z1212, Z12A, Z12K, Z1B12, Z1C12, Z1D12, Z2A120F, Z4742A, Z4B12, Z4X12, Z4XL12, Z4XL12B, Z5B12, Z5B2, Z5C12, Z5D12, Z-963B, ZA12, ZA12A, ZA12B, ZB1-10, ZB-1.12, ZB1-12, ZB12, ZB12A, ZB12B, ZB212, ZB-31.12, ZC012, ZC112, ZD012, ZD12 (Minor mechanical difference exists, but device will fit most applications.), ZD12A, ZD12B, ZE12, ZE12A, ZE12B, ZEC12, ZENER-122, ZF112, ZF12 (Minor mechanical difference exists, but device will fit most applications.), ZF12A, ZF12B, ZF212, ZG12, ZH112, ZH12, ZH12A, ZH12B, ZJ12, ZJ12A, ZJ12B, ZM12, ZM12A, ZM12B, ZO-12, ZO-12A, ZO-12B, ZOB12, ZP12, ZP12A, ZP12B, ZPY12, ZQ12, ZQ12A, ZQ12B, ZR212, ZR50B793-1, ZS12, ZS12A, ZS12B, ZT12, ZT12A, ZT12B, ZU12, ZU12A, ZU12B, ZV12, ZV12A, ZV12B, ZW12, ZY12, ZY12A, ZY12B, ZZ12