1N4761 G

Overview

The Microsemi Corporation 1N4761 G is a silicon unidirectional Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 75 V with a tolerance of 10%. The device is rated for a maximum power dissipation of 1 W and utilizes the DO-204AL (DO-41) axial leaded package. It operates within a temperature range from -65 °C to +175 °C. The component is hermetically sealed in a glass body, providing high reliability suitable for demanding environments.

Feature Summary

• Hermetically sealed glass encapsulation ensures environmental protection and long-term stability
• Capable of maintaining stable voltage regulation across a broad operating current range
• Axial lead configuration allows for flexible mounting on printed circuit boards

Applications

• Voltage regulation in military and aerospace electronic systems
• Overvoltage protection circuits requiring high reliability
• Reference voltage sources in precision measurement equipment

Procurement Notes

Verify the specific suffix 'G' indicates the glass body variant when sourcing replacements. Confirm that the required screening level matches the application's environmental standards. Check for RoHS compliance status if the design requires restricted substance adherence. Ensure the supplier provides traceability documentation for hermetic sealing integrity.

Selection Notes

Select this component when a hermetically sealed glass package is mandatory for thermal or environmental resilience. Compare against plastic variants if lower thermal resistance is not the primary constraint. Consider the higher operating temperature rating compared to standard commercial equivalents. Verify that the 10% tolerance meets the circuit's voltage accuracy requirements.

Part Context

This part belongs to the JEDEC registered 1N4728A through 1N4764A series of 1-watt Zener diodes. The 'G' suffix specifically denotes the glass-body construction, distinguishing it from plastic encapsulated versions. This series offers extensive voltage selection from 3.3 to 100 volts. Microsemi provides various military screening prefixes for enhanced qualification levels.

Replacement Considerations

• MQ1N4761G
• MSP1N4761G