1N4135UR

Single Zener Diodes Overview

The Microchip Technology 1N4135UR is a Zener voltage regulator diode designed for surface-mount applications. It utilizes the DO-213AA (LL-34) package and features an internal metallurgical bond for enhanced reliability. The device operates within a temperature range of -65°C to +175°C and has a maximum power dissipation of 0.5 W. Standard tolerance versions are available, with tighter tolerances identified by specific suffixes in the part number.

Single Zener Diodes Feature Summary

• Internal metallurgical bond construction for high reliability
• Qualified per MIL-PRF-19500/435 standards
• Surface-mount DO-213AA glass package

Single Zener Diodes Applications

• High-reliability military circuits
• Space-grade voltage regulation
• Harsh environment power supplies

Single Zener Diodes Procurement Notes

Verify the exact suffix against the official datasheet to confirm tolerance and qualification level. Ensure the ordering code matches the required MIL-PRF-19500/435 grade. Confirm package type compatibility during procurement.

Single Zener Diodes Selection Notes

Select this component for applications requiring robust surface-mount Zener regulation. Consider the metallurgical bond for vibration resistance. Verify thermal management requirements for the 0.5 W dissipation limit.

Single Zener Diodes Part Context

This part belongs to the 1N4099 through 1N4135 series of 0.5 W glass Zener diodes. These components are widely used in aerospace and defense electronics where long-term stability and radiation hardness are critical design parameters.

Single Zener Diodes Replacement Considerations

Check for equivalent parts from other manufacturers offering MIL-PRF-19500/435 qualified DO-213AA packages. Verify pinout and electrical characteristics match before substitution.