1N4131/TR

Single Zener Diodes Overview

The Microchip Technology 1N4131/TR is a 75V Zener diode with a 5% voltage tolerance, housed in an axial-lead glass DO-35 (DO-204AH) package. It features a rated average power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. The device includes an internal metallurgical bond for high reliability and offers a maximum reverse leakage current of 57 µA at the specified test current of 250 µA.

Single Zener Diodes Feature Summary

• Hermetically sealed construction utilizing an internal metallurgical bond within a glass DO-35 package.
• Capable of regulating voltage across broad ranges of current and temperature variations.
• Qualified per MIL-PRF-19500/435 standards for JAN, JANTX, JANTXV, and JANS reliability levels.

Single Zener Diodes Applications

• Voltage regulation in high-reliability electronic circuits
• Reference voltage sources for precision measurement systems
• Overvoltage protection components in aerospace and defense equipment

Single Zener Diodes Procurement Notes

Verify that the specific ordering suffix matches the required reliability level and RoHS compliance status. Confirm the package type corresponds to the design requirements, as surface mount options exist for this series. Ensure the manufacturer documentation aligns with the requested military qualification level before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed Zener diode with a metallurgical bond is required for harsh environments. Consider the 75V nominal breakdown voltage and 500 mW power rating against circuit load requirements. Evaluate the operating temperature range and thermal resistance characteristics to ensure stable performance under expected ambient conditions.

Single Zener Diodes Part Context

This part belongs to the 1N4099-1 through 1N4135-1 series of 500 mW metallurgically bonded glass Zener diodes. These devices are JEDEC registered and designed for applications requiring robust voltage regulation. The series spans voltages from 1.8V to 100V, offering flexibility for various reference and protection needs in industrial and military sectors.

Single Zener Diodes Replacement Considerations

Consult official datasheets for equivalent parts within the same reliability class. Verify that any substitute maintains the DO-35 package dimensions and metallurgical bond construction to ensure mechanical and electrical compatibility in existing assemblies.