JANTX1N3821A-1

Single Zener Diodes Overview

The JANTX1N3821A-1 is a silicon voltage regulator diode manufactured by Microchip Technology. It operates within the MIL-PRF-19500/115 series and features a nominal Zener voltage of 3.3V at a test current of 76mA. The device has a maximum impedance of 10 ohms and handles 1W of power dissipation. It utilizes a hermetically sealed axial-leaded DO-41 package with double plug construction. Operating temperatures range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Hermetically sealed axial-leaded glass DO-41 package
• Double plug construction for reliability
• Military grade compliance per MIL-PRF-19500/115

Single Zener Diodes Applications

• Military electronic systems
• High-reliability voltage regulation circuits
• Harsh environment aerospace applications

Single Zener Diodes Procurement Notes

Verify the JAN prefix indicates military qualification standards. Confirm the specific suffix requirements match the design's tolerance needs. Ensure the DO-41 through-hole package aligns with the PCB layout. Check that the 3.3V Zener voltage meets the circuit specifications. Validate the manufacturer source against authorized distributors.

Single Zener Diodes Selection Notes

Select this component when high reliability and radiation hardness are required. The wide temperature range supports extreme operational conditions. The hermetic seal protects against moisture and contaminants. Consider the 1W power rating for thermal management in the final assembly.

Single Zener Diodes Part Context

This part belongs to the 1N3821A-1 family of Zener diodes. It shares characteristics with other variants like the JAN and JANTXV versions. The family offers various voltage options and tolerance levels. All variants maintain the same physical package and basic electrical structure.

Single Zener Diodes Replacement Considerations

Substitutes include JAN1N3821A-1 or JANTXV1N3821A-1 if available. Verify equivalent MIL-PRF-19500/115 compliance. Ensure the replacement matches the 3.3V Zener voltage and DO-41 package.