1N5240A

Single Zener Diodes Overview

The Microchip Technology 1N5240A is a 0.5 W glass axial-lead Zener diode with a nominal voltage of 10 V and ±10% tolerance. It operates within a temperature range of -65°C to +175°C, featuring a maximum reverse current of 30 µA at 8 V and a Zener impedance of 17 Ω at 0.25 mA.

Single Zener Diodes Feature Summary

• Hermetically sealed DO-35 glass package
• ESD non-sensitive per MIL-STD-750 Method 1020
• Inherently radiation hard

Single Zener Diodes Applications

• Voltage regulation
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the manufacturer origin, as the part was originally produced by Microsemi. Confirm the specific suffix matches the required tolerance level. Ensure compliance with environmental directives if RoHS status is mandatory for the application.

Single Zener Diodes Selection Notes

Select this component for applications requiring stable reference voltages in harsh environments. The wide operating temperature range and radiation hardness make it suitable for aerospace or industrial systems where reliability under extreme conditions is critical.

Single Zener Diodes Part Context

This device belongs to the JEDEC registered 1N5221 through 1N5281B series. These components provide a broad selection of Zener voltages from 2.4 V to 200 V in a standard 0.5 W axial-lead configuration, widely used in general-purpose electronic circuits.

Single Zener Diodes Replacement Considerations

Equivalent parts include the 1N5240B for tighter tolerance requirements. Surface mount equivalents are available in the MLL5221 to MLL5281B series.