1N5251B BK PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5251B BK PBFREE is a silicon Zener diode with a nominal voltage of 22 V, tolerance ±5%, and power dissipation of 500 mW. It operates in the -65°C to +200°C range, housed in a DO-35 axial package. Electrical characteristics include a maximum impedance of 29 Ω at 5.6 mA test current, reverse leakage of 0.1 μA at 17 V, and a temperature coefficient of +0.087 %/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within a ±5% tolerance band for precision circuit applications.
• Engineered for high reliability across extreme industrial and commercial operating temperatures.
• Features low forward voltage drop and minimal reverse leakage current for efficient signal handling.

Single Zener Diodes Applications

• Industrial control systems requiring robust voltage reference points
• Commercial equipment needing reliable overvoltage protection
• Entertainment electronics utilizing precise voltage clamping

Single Zener Diodes Procurement Notes

Verify component authenticity by sourcing exclusively through authorized Central Semiconductor channels or franchised distributors. Confirm RoHS compliance and Pb-Free status via official documentation. Ensure ordering suffixes match exact specifications. Request datasheets for latest electrical parameters before integration into final designs.

Single Zener Diodes Selection Notes

Select this component when a 22 V Zener reference with ±5% tolerance is required in an axial leaded package. Evaluate thermal management needs given the 500 mW dissipation limit. Consider the positive temperature coefficient for circuits sensitive to thermal drift. Verify compatibility with existing PCB footprint dimensions for the DO-35 case style.

Single Zener Diodes Part Context

This device belongs to the 1N5221B through 1N5278B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 2.4 V to 170 V, all sharing common mechanical outlines and general reliability standards for axial through-hole mounting.

Single Zener Diodes Replacement Considerations

No public confirmed substitute part numbers are available for this specific component. Consult manufacturer engineering support for potential alternate sources if direct replacement is unavailable.