1N5263B-TR

Single Zener Diodes Overview

The Vishay 1N5263B-TR is a silicon planar power Zener diode with a nominal voltage of 56 V and ±5% tolerance. It operates in the DO-204AH (DO-35) axial through-hole package, dissipating up to 500 mW at thermal equilibrium. The device features a maximum dynamic resistance of 150 Ω and a reverse leakage current of 100 nA at 43 V. It withstands junction temperatures up to 175 °C and offers an operating range 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
• Supports high thermal stability with a maximum junction temperature of 175 °C

Single Zener Diodes Applications

• Voltage stabilization circuits
• General-purpose reference voltage generation
• Overvoltage protection stages

Single Zener Diodes Procurement Notes

Verify that the ordering code includes the specific suffix required for taped-and-reeled packaging. Confirm compliance with RoHS3 directives and ensure the component meets AEC-Q101 automotive qualification standards if intended for automotive-grade deployments. Validate datasheet revisions prior to final design integration.

Single Zener Diodes Selection Notes

Select this component when a 56 V reference point is required within a through-hole assembly. Ensure the circuit design accommodates the specified 150 Ω dynamic impedance and 500 mW power dissipation limits. Verify lead length requirements against thermal resistance constraints for optimal heat sinking performance.

Single Zener Diodes Part Context

This part belongs to the Vishay 1N52xxB series of small signal Zener diodes. The series spans voltages from 2.4 V to 75 V, utilizing the standardized DO-35 glass passivated axial package. The 'B' designation specifically denotes the ±5% voltage tolerance variant within the broader product family.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 56 V Zener diodes in the DO-35 package. Verify matching electrical parameters, specifically the 500 mW power rating and ±5% tolerance, before substituting.