1N5227B

Single Zener Diodes Overview

The Fairchild Semiconductor 1N5227B is a silicon planar zener diode designed for voltage regulation and reference applications. It features a glass passivated junction and is available in the DO-35 axial leaded package. The device provides stable zener voltage characteristics with low impedance, making it suitable for precision circuits requiring reliable voltage clamping or regulation.

Single Zener Diodes Feature Summary

• Glass passivated junction for enhanced reliability
• Axial leaded package for through-hole mounting
• Stable voltage regulation characteristics

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific zener voltage tolerance and test current conditions against your circuit requirements. Confirm the package type matches your PCB footprint. Ensure the manufacturer designation aligns with current supply chain availability as corporate structures may have changed since original production.

Single Zener Diodes Selection Notes

Select this component when a standard DO-35 axial package is required for through-hole assembly. Consider the power dissipation limits and thermal resistance of the glass encapsulation. Verify that the zener impedance meets the noise sensitivity requirements of the application.

Single Zener Diodes Part Context

This part belongs to the 1N52xx series of small-signal zener diodes. These components are widely used in general-purpose electronics for biasing and regulation. The 1N5227B specifically targets applications needing a precise voltage reference point within low-power constraints.

Single Zener Diodes Replacement Considerations

Check for equivalents from other manufacturers offering identical DO-35 packages and matching zener voltage tolerances. Ensure replacement parts meet the same electrical specifications for leakage current and dynamic impedance.