1N5251B-TAP

Single Zener Diodes Overview

The Vishay 1N5251B-TAP is a silicon planar power Zener diode with a nominal voltage of 22 V and ±5% tolerance. It operates in the DO-35 (DO-204AH) axial through-hole package, dissipating up to 500 mW at thermal equilibrium. The device features a maximum reverse leakage current of 0.1 µA at 17 V and a dynamic resistance of 29 Ω at a test current of 5.6 mA. It withstands junction temperatures up to 175 °C and storage temperatures from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Provides standard ±5% Zener voltage tolerance for general applications
• Designed for high thermal stability with a 175 °C junction temperature rating

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify that the ordering code includes the TAP suffix to confirm the specific ammopack packaging format. Ensure the B suffix is present to match the required ±5% tolerance specification. Cross-reference the document number 85588 to access the latest electrical characteristics and absolute maximum ratings before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a 22 V reference point is required within a through-hole design. The DO-35 package accommodates standard PCB mounting techniques. Verify that the circuit's expected power dissipation remains below the 500 mW limit under worst-case ambient conditions to maintain safe operating temperatures.

Single Zener Diodes Part Context

This part belongs to the 1N5221 to 1N5267 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series covers a wide range of nominal voltages from 2.4 V to 75 V. The 1N5251 variant specifically targets the 22 V segment of this standardized lineup.

Single Zener Diodes Replacement Considerations

Direct replacements include other manufacturers' 1N5251B equivalents. Verify that substitute components meet the same 500 mW power dissipation and DO-35 package dimensions to ensure mechanical compatibility.