Vishay 22 V 500 mW General Purpose Zener Diode, Single, Through Hole 2-Pin SOD-27 1N5251B-TR

Vishay 1N5251B-TR Zener Diode is a discrete semiconductor designed for voltage stabilization and protection in electronic circuits. It features a nominal zener voltage of 22 V with a tolerance of ±5%, allowing for precise voltage regulation in power supplies, signal conditioning, and reference circuits.

The diode supports a maximum power dissipation of 500 mW, making it suitable for low-power applications requiring robust and reliable performance.

Its general purpose zener type and single-element diode configuration, packaged as a through hole 2-pin SOD-27 device, allows for easy insertion and soldering on printed circuit boards with traditional mounting methods.

The device exhibits a maximum zener impedance of 29 Ω and a minimal reverse leakage current of 100 nA, improving efficiency and reducing power loss in sensitive electronic designs. The operating temperature range extends up to 175°C, suitable for industrial, automotive, and commercial electronics under demanding thermal conditions.

Physical package dimensions of 1.7 mm height and 3.9 mm length provide a compact form factor helping optimize PCB space. Further, the diode complies with the automotive industry standard AEC-Q101, ensuring it meets reliability requirements for automotive systems.

Nominal Zener voltage of 22 V with a ±5% tolerance for voltage regulation. Maximum power dissipation of 500 mW supports use in low power circuits. Through hole mount type in 2-pin SOD-27 package for easy PCB integration.

Maximum operating temperature of 175°C accommodates harsh thermal environments. Low maximum reverse leakage current of 100 nA enhances circuit efficiency. Automotive standard AEC-Q101 certified for strict quality control.

This Vishay zener diode series is ideal for applications in electronics manufacturing, automotive electronics, instrumentation, power supplies, and general industrial circuit protection. It supports enhancement of production efficiency by protecting circuits from voltage surges and ensuring stability.

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