1N5221B BK PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5221B BK PBFREE is a single silicon Zener diode housed in a DO-35 axial through-hole package. It provides a nominal Zener voltage of 2.4 V with a ±5% tolerance, tested at a current of 20 mA. The device supports a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +200°C. Maximum reverse leakage current is specified as 100 µA at 1.0 V, with a maximum dynamic impedance of 30 Ω.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for industrial, commercial, entertainment, and computer applications
• Features highly reliable silicon construction designed for consistent performance
• Includes specific marking codes prefixed with 'C' for part identification

Single Zener Diodes Applications

• Industrial equipment voltage regulation
• Commercial circuit protection
• Entertainment system power management
• Computer application voltage reference

Single Zener Diodes Procurement Notes

Verify the exact ordering suffix against manufacturer documentation before purchase. Confirm RoHS compliance status and lead times directly with Central Semiconductor or authorized distributors. Ensure the component matches the required voltage tolerance and package specifications for your design.

Single Zener Diodes Selection Notes

Select this component when a precise 2.4 V reference is required in a standard DO-35 axial package. Consider the 500 mW power rating and operating temperature limits during thermal analysis. Verify that the low forward voltage drop meets circuit requirements if used in mixed-signal environments.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5278B series of high-voltage silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 2.4 V up to 170 V, all sharing the same 500 mW power dissipation capability and DO-35 mechanical outline.

Single Zener Diodes Replacement Considerations

No direct replacement part numbers are listed in the official datasheet for this specific model. Consult Central Semiconductor engineering support for potential alternate sources if availability is an issue.

Single Zener Diodes FAQ

What is the marking code for the 1N5221B?

The device is marked with the prefix 'C' followed by the full part number, specifically C5221B.

What is the maximum forward voltage?

The maximum forward voltage is 1.2 V at a forward current of 200 mA.