1N4761AUR

Overview

The Microchip Technology 1N4761AUR is a voltage regulator diode designed for precision applications. It features a nominal Zener voltage of 75 V with a tolerance of 5%. The device dissipates 1 W of power and utilizes the DO-213AB (MELF) hermetic glass package. It operates within a temperature range of -65 °C to +175 °C, ensuring reliability in demanding environments.

Feature Summary

• Hermetically sealed glass MELF construction for high reliability
• Wide operating temperature range suitable for extreme conditions
• Precision voltage regulation with tight tolerance specifications

Applications

• Military aerospace systems requiring radiation hardness
• High-reliability industrial control circuits
• Harsh environment sensor signal conditioning

Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required screening levels. Confirm that the hermetic seal integrity meets project specifications. Check for any updated manufacturing notices or lifecycle status changes directly from Microchip Technology before finalizing procurement plans.

Selection Notes

Select this component when hermetic sealing and wide temperature operation are mandatory. The DO-213AB package offers robustness compared to plastic alternatives. Ensure circuit design accounts for the 1 W power dissipation limit and thermal management requirements at elevated ambient temperatures.

Part Context

This part belongs to the 1N47xx series of Zener diodes manufactured by Microchip Technology. It serves as a high-reliability alternative to standard commercial grade components, specifically engineered for defense and space applications where long-term stability and environmental resistance are critical performance factors.

Replacement Considerations

Consult Microchip Technology documentation for qualified equivalents. Cross-reference with other manufacturers offering MIL-spec compliant MELF packages if supply constraints exist.