18V 1W Zener Diode - Precise Voltage Regulation

Reliable 18.0V Zener Diode for Voltage Reference and Protection

This 18V Zener diode (VET5077A) offers stable, reliable voltage regulation for demanding electronic applications. Designed for through-hole mounting, it delivers a 1-watt power dissipation rating and is ideal for voltage reference, surge suppression, and overvoltage protection circuits.

Key Features and Specifications

• Nominal Regulating Voltage: 18.0 Volts
• Maximum Power Dissipation: 1 Watt
• Mounting: Through-Hole (DO-41 Package)
• Quantity Per Package: 1

Designed for Precision and Longevity

Engineered for dependable performance, this Zener diode is optimized for use in power supplies, reference voltage generators, and other analog circuits requiring precise voltage clamping. Its robust construction allows for operation in various environments, ensuring consistent regulation characteristics over time.

Applications

• Voltage regulation in power supply circuits
• Reference voltage generation for analog designs
• Overvoltage and surge protection

Easy Installation

The standard DO-41 axial-lead format enables straightforward through-hole installation on PCBs or breadboards, guaranteeing a secure electrical connection in both prototype and production builds.

Current Part Number(s): VET5077A, 1N4746A

OLD Discontinued NTE Part Number: NTE5077A

This part is the equivalent replacement for the following:

029-KH, 029-MS, 02Z18A, 05-95017, 05-950177, 05Z18, 09-306355, 1029-MS, 103-252, 103-279-27, 130132, 134882256353, 13-4883461-518, 134883461537, 13B14746-01, 141187, 142417, 14-515-05, 14-515-14, 1477046-10, 1/4M18Z5, 156213, 1900-0006, 190207, 1902-1180, 1902-1278, 192-180(MAG-ZENER), 193159, 196211, 1DA1Z18B, 1DAZ3405B, 1EZ18D, 1EZ18D10, 1EZ18T10, 1M18Z, 1M18Z10, 1M18Z5, 1M18ZS10, 1M18ZS5, 1N1428, 1N1515, 1N1515A, 1N1526, 1N1526A, 1N1777, 1N1777A, 1N1879, 1N1879A, 1N2039-1, 1N2039A, 1N3026, 1N3026A, 1N3026B, 1N3437, 1N3449, 1N3685, 1N3685A, 1N3685B, 1N4168, 1N4168A, 1N4168B, 1N4333, 1N4333A, 1N4333B, 1N4410, 1N4410A, 1N4410B, 1N4638, 1N4667, 1N4746, 1N4746A, 1N4838, 1N4838A, 1N5248B, 1N5569, 1N5569A, 1N6006B, 1N967B-F, 1R18, 1R18A, 1R18B, 1S1966, 1S199, 1S2123, 1S2123A, 1S233, 1S2500, 1S2557, 1S3018, 1S485, 1S698, 1SZ40-18, 1TA18, 1TA18A, 1TA18B, 1Z18, 1Z18A, 1Z18T10, 1Z18T20, 1Z18T5, 1ZC18T10, 1ZC18T5, 1ZM18T5, 2002209-7, 202093, 202-5-3230-18020, 212665, 215975, 22-0180, 224000, 224072, .25T18, .25T18A, 264P14409(1), 3596435, 3L4R3506-45, 4-2020-09200, 4202009200, 4-2020-11900, 4202011900, 4-2020-12000, 4-202012000, 4202012000, 4202012800, 46-86329-3, 46-86392-3, 48-155182, 4822-130-31024, 482213031024, 4822-130-310245, 4835-130-37134, 483513037134, 4835-130-37138, 483513037138, 4835-130-37784, 483513037784, 48-82256C53, 48-83461E37, 48-90229A79, 48-90229A87, 48D82256C53, 48D82533D09, 48P83624E94, 48X90229A79, 48X90229A87, .4M18Z5, .4T18, .4T18A, .4T18B, 523-2003-180, 530073-22, 530073-30, 5301021180, 530192-1180, 5301921180, 530192-180, 530225-180, 540-019, 561-2597-464, 56-605, .5M18ZS5, 61E37, 62-21574, 707W00177, 707W00405, 71411-003, 71411-3, 73-22, .7JZ18, .7Z18, .7Z18A, .7Z18B, .7Z18C, .7Z18D, .7ZM18, .7ZM18A, .7ZM18B, .7ZM18C, .7ZM18D, 919-003309-1, 935-6332, 97202-222, 99202-222, AW01-18, AZ-177, AZ-182, BZ-177, BZ177, BZ-182, BZ182, BZV17C18, BZV85C18, BZX29C18, BZX59C18, BZX64C18, BZX79/C18, BZX81C18, BZX85C18, BZY92C18, CXL5027, CXL5077, CZ18B, D93011801B, DZB18, DZB-18C, DZB18C, ECG5077, ECG5077A, ELP178, EQB01-18, EW16X258, EZ18(ELCOM), FD-1029-MS, GEZD-18, GXI178, GZ1-178, GZB18, GZB18B, HEPZ0228, HEP-Z0420, HEPZ0420, HW18, HW18A, HZ18P, HZ18PB, HZ5248, IDA1Z18B, IDAZ3405B, JZ18B, KS180A, LPM18A, LR180C, MA2180, MC6020A, MC6120A, MEZ1-178, MK279-27, MTZ620A, MZ-177, MZ418-B, MZ418B, NT50C18, NT5526, NT55C18, NTE5077A, O2Z18A, O5Z18, PS10026B, PS10070, PTC510, QB01-18, QB118, RD18F, RD18FA, RD18FB, RD18FB2, RD18FB3, RE-124, RE124, REN5077, S5248B, SD-11, SK18V, SK18V/5077A, SK3145, SK3752, SK3752/5077A, SV48, SZ14026, SZ18B, TM5077, TM5077A, TVSQB01-18, TVSQB118, TVSUZ188BS, UDZ8718, UZ1-176, UZ18B-S, UZ8718, UZ8818, UZL-176, UZP-18B, VR18, VR18A, VR18B, VZ-177A, VZ-177B, VZ-177C, VZ-177D, VZ-177E, W1-172, W1-177, W1-182, W2-172, W2-177, W2-182, W6-172, W6-177, W6-182, W7-172, W7-177, W7-182, W8-172, W8-177, W8-182, W9-157, W9-162, W9-167, W9-172, W9-177, W9-182, WA-172, WA-172A, WA-172B, WA-172C, WA-172D, WA-177, WA-177A, WA-177B, WA-177C, WA-177D, WA-182, WA-182A, WA-182B, WA-182C, WA-182D, WB-172, WB-172A, WB-172B, WB-172C, WB-172D, WB-177, WB-177A, WB-177B, WB-177C, WB-177D, WB-182, WB-182A, WB-182B, WB-182C, WB-182D, WC-172, WC-172A, WC-172B, WC-172C, WC-172D, WC-177, WC-177A, WC-177B, WC-177C, WC-177D, WC-182, WC-182A, WC-182B, WC-182C, WD-172, WD-172A, WD-172B, WD-172C, WD-172D, WD-177, WD-177A, WD-177B, WD-177C, WD-177D, WD-182, WD-182A, WD-182B, WD-182C, WD-182D, WE-172, WE-172A, WE-172B, WE-172C, WE-172D, WE-177, WE-177A, WE-177B, WE-177C, WE-177D, WE-182, WE-182A, WE-182B, WE-182C, WE-182D, WEP1116, WF-172, WF-172A, WG-172, WG-172A, WG-172B, WG-172C, WG-172D, WG-177, WG-177A, WG-177B, WG-177C, WG-177D, WG-182, WG-182A, WG-182B, WG-182C, WG-182D, WH-167D, WH-172, WH-172A, WH-172B, WH-172C, WH-172D, WH-177, WH-177A, WH-177B, WH-177C, WH-177D, WH-182, WH-182A, WH-182B, WH-182C, WH-182D, WI-172, WI-172A, WI-172B, WI-172C, WI-172D, WI-177, WI-177A, WI-177B, WI-177C, WI-177D, WI-182, WI-182A, WI-182B, WI-182C, WI-182D, WJ-172, WJ-172A, WJ-172B, WJ-172C, WJ-172D, WJ-177, WJ-177A, WJ-177B, WJ-177C, WJ-177D, WJ-182, WJ-182A, WJ-182B, WJ-182C, WJ-182D, WK-172, WK-172A, WK-172B, WK-172C, WK-172D, WK-177, WK-177A, WK-177B, WK-177C, WK-177D, WK-182, WK-182A, WK-182B, WK-182C, WK-182D, WL-172, WL-172A, WL-172B, WL-172C, WL-172D, WL-177, WL-177A, WL-177B, WL-177C, WL-177D, WL-182, WL-182A, WL-182B, WL-182C, WL-182D, WM-172, WM-172A, WM-172B, WM-172C, WM-172D, WM-177, WM-177A, WM-177B, WM-177C, WM-177D, WM-182, WM-182A, WM-182B, WM-182C, WM-182D, WN-177, WN-177A, WN-177B, WN-177C, WN-177D, WN-182, WN-182A, WN-182B, WN-182C, WN-182D, WO-172, WO-172A, WO-172B, WO-172C, WO-172D, WO-177, WO-177A, WO-177B, WO-177C, WO-177D, WO-182, WO-182A, WO-182B, WO-182C, WO-182D, WP-172, WP-172A, WP-172B, WP-172C, WP-172D, WP-177, WP-177A, WP-177B, WP-177C, WP-177D, WP-182, WP-182A, WP-182B, WP-182C, WP-182D, WQ-172, WQ-172A, WQ-172B, WQ-172C, WQ-172D, WQ-177, WQ-177A, WQ-177B, WQ-177C, WQ-177D, WQ-182, WQ-182A, WQ-182B, WQ-182C, WQ-182D, WR-172, WR-172A, WR-172B, WR-172C, WR-172D, WR-177, WR-177A, WR-177B, WR-177C, WR-177D, WR-182, WR-182A, WR-182B, WR-182C, WR-182D, WS-172, WS-172A, WS-172B, WS-172C, WS-172D, WS-177, WS-177A, WS-177B, WS-177C, WS-177D, WS-182, WS-182A, WS-182B, WS-182C, WS-182D, WT-172, WT-172A, WT-172B, WT-172C, WT-172D, WT-177, WT-177A, WT-177B, WT-177C, WT-177D, WT-182, WT-182A, WT-182B, WT-182C, WT-182D, WU-172, WU-172A, WU-172B, WU-172C, WU-172D, WU-177, WU-177A, WU-177B, WU-177C, WU-177D, WU-182, WU-182A, WU-182B, WU-182C, WU-182D, WV-172, WV-172A, WV-172B, WV-172C, WV-172D, WV-177, WV-177A, WV-177B, WV-177C, WV-177D, WV-182, WV-182A, WV-182B, WV-182C, WV-182D, WW-172, WW-172A, WW-172B, WW-172C, WW-172D, WW-177, WW-177A, WW-177B, WW-177C, WW-177D, WW-182, WW-182A, WW-182B, WW-182C, WW-182D, WX-172, WX-172A, WX-172B, WX-172C, WX-172D, WX-177, WX-177A, WX-177B, WX-177C, WX-177D, WX-182, WX-182A, WX-182C, WX-182D, WY-172, WY-172A, WY-172B, WY-172C, WY-172D, WY-177, WY-177A, WY-177B, WY-177C, WY-177D, WY-182, WY-182A, WY-182B, WY-182C, WY-182D, WZ-177, X0258, X0258(GOTTLIEB), Z0228, Z0420, Z1116, Z1116-C, Z1216, Z4746A, Z4B18, Z4XL18, Z4XL18B, ZA18B, ZB1-18, ZB18A, ZB18B, ZC018, ZD18 (Minor mechanical difference exists, but device will fit most applications.), ZD18B, ZF18 (Minor mechanical difference exists, but device will fit most applications.), ZF18P, ZH18B, ZM18, ZM18A, ZM18B, ZPY18, ZW18, ZY18