1N5251B-T

Single Zener Diodes Overview

The Diodes Incorporated 1N5251B-T is a discontinued 500mW epitaxial Zener diode with a nominal voltage of 22V and ±5% tolerance. It operates in the -65°C to +175°C range, features a DO-35 glass case, and has a maximum reverse current of 0.1µA at 17V. The suffix -T indicates tape and reel packaging.

Single Zener Diodes Feature Summary

• Epitaxial construction for high stability
• Lead-free finish compliant with RoHS directives
• Hermetic package design

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage sources
• Surge protection applications

Single Zener Diodes Procurement Notes

This component is officially obsolete and discontinued by Diodes Incorporated. Verify availability through authorized distributors or secondary markets. Confirm that the specific lot meets all required electrical specifications before integration into new designs.

Single Zener Diodes Selection Notes

Select this part only if legacy compatibility is mandatory. For new designs, consider surface mount equivalents or updated series from the manufacturer. Ensure thermal derating guidelines are followed during operation.

Single Zener Diodes Part Context

Part of the 1N5221B-1N5267B series offering 500mW power dissipation. The device utilizes a DO-35 axial leaded glass package. It serves as a standard voltage reference component in discrete semiconductor applications.

Single Zener Diodes Replacement Considerations

Datasheet recommends using MMSZ52xxB series as replacements. Verify pinout and electrical characteristics match system requirements when transitioning to surface mount alternatives.

Single Zener Diodes FAQ

What does the -T suffix indicate?

The -T suffix denotes that the device is supplied in tape and reel packaging.

Is this component suitable for life support systems?

No, the datasheet explicitly states these products are not authorized for use in life support devices without express written approval.