20V 1/2 Watt Zener Diode – Through-Hole, DO-35

High-Reliability 20V Zener Diode for Precise Voltage Regulation

The NTE5029A is a 20.0 volt, 500mW (1/2 watt) Zener diode designed for dependable voltage regulation and reference applications. Engineered for durability and consistent performance, this through-hole axial lead Zener diode offers stable operation in demanding electronic circuits.

Technical Specifications

• Nominal Regulating Voltage (Vz): 20.0 V
• Power Dissipation: 500 mW (0.5W)
• Package Type: DO-35 (Axial Lead, Through-Hole)
• Part Number: NTE5029A
• Quantity per Package: 1

Applications and Usage

Ideal for use as a precision voltage reference, the 20V 1/2 watt Zener diode offers low dynamic impedance, making it suitable for regulation circuits, overvoltage protection, and voltage divider networks. The compact DO-35 package ensures easy integration into PCBs and breadboards for prototyping or production environments.

Key Features

• Nominal 20V voltage regulation for stable circuit performance
• 500mW power handling capacity for moderate-current applications
• Through-hole, axial lead design for robust mechanical mounting
• Reliable performance for voltage stabilization and reference circuits

Product Highlights

• Recommended for voltage regulation, reference supplies, and circuit protection
• Standard DO-35 package compatible with various mounting methods
• Engineer-trusted for consistent and accurate voltage control

This part is the equivalent replacement for the following:

02Z20A, 05Z20, 05Z20-X, 05Z20X, 05Z-20X(ZENER), 05Z20-Y, 05Z20Y, 06506, 103-279-29, 103-279-29A, 1120, 1147-3220, 1231-8424, 1231-8432, 1234-5914, 1/2Z20T5, 13-0033187-003, 13-0033187-031, 13-33187-3, 13-33187-31, 134883461522, 148958, 1497049-009, 1/4A20, 1/4A20A, 1/4A20B, 1/4M20Z, 1/4M20Z10, 1/4M20Z5, 1/4Z20D10, 1/4Z20D5, 1/4Z220D, 152-0304-00, 152980, 154857, 157-200(MAG-ZENER), 161249, 175424, 178633, 187-3, 187-31(SYL-ZENER), 187-3(SYL), 188568, 189324, 193264, 1N3287W, 1N3525, 1N5250, 1N5250A, 1N5540, 1N5540A, 1N5540B, 1N5743, 1N5743B, 1N5866, 1N5866A, 1N5866B, 1N6007A, 1N6007B, 1N721, 1N721A, 1N768-3, 1N968, 1N968A, 1N968B, 1N968B-F, 1S1381, 1S1381A, 1S1396, 1S1396A, 1S1774, 1S2200, 1S2200A, 1S2558, 20-1(ZENER), 20-3, 203, 20-3(ZENER), 203(ZENER), 20EB, 20X, 20Y, 20Y(ZENER), 21A119-049, 220735, 23115549, 2335181, 2335182, 254-31(MAG-ZENER), 254-3(MAG-ZENER), .25N20, .25T20B, 309487, 32AZ-HZ20-04, 32ST-HZ20-0, 32SZ-HZ20-04, 32SZ-HZ20-04(AU), 32SZ-HZ20-04AU, 34-8057-44, 407-055-1905, 4070551905, 46-861211-3, 46-861504-3, 4822-130-34499, 482213034499, 4835-130-37081, 483513037081, 483513037282, 4835-130-37291, 483513037291, 4835-130-37569, 483513037569, 48-40832T01, 48-83461E22, 48X90456A80, 48X90478A77, .4M20Z, .4M20Z5, 502069S, 5301571200, 530157-200, 5302541003, 5302541031, 530254-3, 530254-31, 5527, 5635-EQA01-20, 5635-RD20EB3, 57-200, 57-200(NAP-ZENER), .5M20ZS10, .5M20ZS5, 61E22, 7049-009(RCA), 7049-9(RCA), 7110633, 71411-008, A7110633, A7110634, A7110663, AZ968, AZ968A, AZ968B, BAX79C20, BZX46C20, BZX55C20, BZX71C20, BZX79-C20, BZX79C20, BZX79C20V, BZX83C20, BZX95C20, BZX97-C20, BZX97C20, BZY83C20, BZY85C20, BZY88C20, BZY94C20, D93T02000X, DGGZM20-B2, DMMA4200-M, DMMA4200M (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), DNN-RD20EB, DX-1276, DX-2279, DYMTZ20-D, ECG5029, ECG5029A, EQA01-20, EQA02-20, EQA0220, EQA02-20B, EQA02-20R, EW16X118, EX0130CE, GZA20, GZA20L, GZA20U, GZA20X, GZA20-X-BT, GZM20-B2, HEP-Z0230, HM20, HM20A, HZ20-04, HZ20-1, HZ20-1L, HZ20-2, HZ20-3, HZ20-3L, HZ20-3T2, HZ20-3TS, HZ20TE, HZ20-V1, HZS20, HZS20-2 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), HZS20-2TD (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), HZS20J, HZS20S, M07140320, MA1200, MA4200, MA4200-M, MA4200M, MTZ20, MZ220, MZ220B, MZ320, MZ320A, MZ320B, MZ500-23, NTE5029A, QA220AB, RD20E, RD20EB, RD20E(B1), RD20EB3, RD20EV2, RD20EV2-Y, RD20JSB2 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), RH-EX0130CEZZ, RH-EX130CEZZ, RZ20, SK20A, SK20A/5029A, SK3795, SK3795/5029A, SV144, SVDMZ320B, SZ20, SZ-HZ20-04, TM5029A, UTZJ20, UZ-20B, UZ-20BM, VHEWZ-197//-1, VZ-197, WEP1431, WZ-197, WZ197, WZ544, X330000492, X330160309, Z0230(HEP), Z0B20, Z0C20, Z0D20, Z1B20, Z1C20, Z1D20, Z5B20, Z5C20, Z5D20, Z5D560CF, ZB20, ZPD20