1N5239B-G

Single Zener Diodes Overview

The Comchip Technology 1N5239B-G is an axial leaded glass Zener diode housed in a DO-35 package. It provides a nominal Zener voltage of 9.1 V at a test current of 20 mA, with a maximum dynamic impedance of 10 Ohms and a maximum reverse leakage current of 3 µA. The device supports a power dissipation of 500 mW and operates within a junction temperature range up to 175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a glass encapsulated DO-35 case.
• Features sharp reverse characteristics for precise clamping applications.

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation when sourcing, as the 1N5239B-G part number is utilized by multiple semiconductor producers including Comchip Technology. Confirm that the component meets RoHS requirements if restricted substances are a constraint for the assembly process.

Single Zener Diodes Selection Notes

Select this component for through-hole designs requiring a standard 9.1 V reference point. Ensure the circuit design accommodates the 500 mW thermal dissipation limit and verify that the 10 Ohm dynamic impedance aligns with the required regulation precision for the load conditions.

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, all sharing the same 0.5 W power rating and DO-35 axial glass package form factor.

Single Zener Diodes Replacement Considerations

Equivalent parts include 1N5239B from other manufacturers such as Microchip or Rectron Semiconductor. Verify that substitute components maintain the 9.1 V nominal voltage and compatible DO-35 mechanical dimensions.

Single Zener Diodes FAQ

What is the maximum reverse leakage current for this diode?

The maximum reverse leakage current is specified as 3 µA at the rated voltage.

Does the suffix '-G' indicate a functional change?

No, the datasheet indicates the suffix denotes compliance status rather than altering the electrical function.