1N5229B-G

Single Zener Diodes Overview

The Comchip Technology 1N5229B-G is an axial leaded glass Zener diode with a nominal voltage of 4.3 V and a maximum power dissipation of 500 mW. It operates within a junction temperature range of -65°C to +175°C and features a DO-35 package. The device exhibits a maximum dynamic impedance of 22 Ω at a test current of 20 mA, with a leakage current not exceeding 5 μA at 6.5 V reverse bias.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using planar die construction
• Features polarity indication via cathode band marking
• Designed for automated assembly processes

Single Zener Diodes Applications

• Voltage regulation circuits
• Power supply protection
• General purpose clamping applications

Single Zener Diodes Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm compliance with RoHS standards and ensure the correct voltage rating matches the design requirements. Confirm package dimensions and lead specifications align with PCB layout constraints before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component based on the required 4.3 V reference level and 500 mW thermal handling capability. Ensure the operating environment stays within the specified temperature limits and that the circuit design accommodates the dynamic impedance characteristics for precise regulation needs.

Single Zener Diodes Part Context

This component belongs to the 1N5221B-G through 1N5267B-G series manufactured by Comchip Technology. The series covers a wide voltage range from 2.4 V to 75 V in the DO-35 glass axial package, providing standardized options for various low-power voltage regulation and reference applications.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering standard 1N5229 equivalents in the DO-35 package. Verify that substitute parts meet the same 4.3 V tolerance, 500 mW power rating, and thermal performance specifications.