1N4128UR

Single Zener Diodes Overview

The Microchip Technology 1N4128UR is a Zener diode with a nominal voltage of 60V and a maximum power dissipation of 500 mW. It features a tolerance of ±2% and a maximum impedance of 400 Ohms. The device operates within a temperature range of -65°C to 175°C TJ. It utilizes a DO-213AA surface mount package and meets MIL-PRF-19500/435 military qualification standards.

Single Zener Diodes Feature Summary

• Metallurgically bonded glass construction for enhanced reliability
• Qualified for high-reliability applications under MIL-PRF-19500/435
• Surface mount design in a compact DO-213AA package

Single Zener Diodes Applications

• High-reliability military electronic systems
• Aerospace voltage regulation circuits
• Harsh environment power supply protection

Single Zener Diodes Procurement Notes

Verify the specific suffix against official datasheets to confirm exact tolerance and qualification level, as variations exist within the series. Confirm RoHS status and lead times directly with the manufacturer or authorized distributors prior to ordering. Ensure compatibility with existing assembly processes for the DO-213AA package.

Single Zener Diodes Selection Notes

Select this component when a 60V Zener regulator is required in a surface mount configuration for ruggedized applications. Consider the 500 mW power rating and ±2% tolerance for precision requirements. Evaluate thermal management needs given the 175°C junction temperature capability.

Single Zener Diodes Part Context

This part belongs to the 1N4099UR-1 through 1N4135UR-1 series of 500 mW metallurgically bonded glass surface mount Zener diodes. These devices are designed to replace traditional axial leads with surface mount equivalents while maintaining high reliability and strict voltage tolerances for critical circuitry.

Single Zener Diodes Replacement Considerations

JAN1N4128CUR-1

Single Zener Diodes FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 175°C.

Does this component feature an internal metallurgical bond?

Yes, the 1N4128UR features an internal metallurgical bond construction.