1N5238B-G

Single Zener Diodes Overview

The Comchip Technology 1N5238B-G is an axial leaded glass Zener diode with a nominal voltage of 8.7V and a power dissipation rating of 0.5W. 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 8Ω at a test current of 20mA, with a reverse leakage current not exceeding 3μA at 13V.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for environmental stability
• Stabilizing voltage regulation across specified operating currents
• Polarity indicated by cathode band marking

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm compliance with RoHS standards and hermetic sealing requirements. Ensure that the ordering suffix matches the intended packaging configuration, as variations may exist between box and tape-and-reel formats. Cross-reference electrical parameters such as dynamic impedance and leakage current with the latest datasheet revisions before final procurement decisions.

Single Zener Diodes Selection Notes

Select this component based on its 8.7V nominal Zener voltage and 0.5W power handling capability. Consider the DO-35 axial package for through-hole mounting and verify thermal resistance characteristics relative to ambient temperature derating curves. Confirm that the ±5% tolerance aligns with circuit precision requirements.

Single Zener Diodes Part Context

This device belongs to the 1N5221B-G through 1N5267B-G series of axial leaded glass Zener diodes manufactured by Comchip Technology. The series covers a wide voltage range from 2.4V to 75V, providing standardized options for various voltage regulation needs in electronic assemblies.

Single Zener Diodes Replacement Considerations

Compatible replacements include other manufacturers' 1N5238B variants meeting identical DO-35 package and 8.7V/0.5W specifications. Verify equivalent dynamic impedance and leakage current ratings to ensure functional interchangeability.

Single Zener Diodes FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 175°C.

How is polarity identified on the device?

Polarity is indicated by a cathode band marked on the glass body.