1N6631US/TR

Overview

The Microchip Technology 1N6631US/TR is a single fast recovery rectifier diode designed for surface-mount applications. It features a maximum repetitive reverse voltage of 1 kV and an average forward current rating of 2 A. The device exhibits a low forward voltage drop of 1.95 V at rated current and a minimal reverse leakage current of 4 uA. Its fast recovery time is specified at 80 ns, supporting high-efficiency switching operations. The component operates within a junction temperature range of -65°C to +150°C and utilizes the E-Package-2 (SQ-MELF) form factor.

Feature Summary

• Fast recovery performance with 80 ns switching time for efficient power conversion
• Hermetically sealed voidless-glass construction ensuring high reliability
• Low reverse leakage current of 4 uA at maximum rated voltage
• Extended thermal capability operating up to +150°C junction temperature

Applications

• High-frequency switching power supplies
• High-reliability aerospace and defense circuits
• Industrial control systems requiring fast recovery characteristics

Procurement Notes

Verify that the specific suffix /TR indicates tape-and-reel packaging configuration when sourcing. Confirm RoHS status as non-compliant based on available manufacturer data. Ensure procurement channels provide valid traceability documentation required for military-grade components. Validate that the SQ-MELF package dimensions match the target PCB footprint before finalizing orders.

Selection Notes

Select this component when a hermetically sealed surface-mount rectifier with fast recovery characteristics is required. The 1N6631US/TR offers a robust alternative to axial leaded versions while maintaining similar electrical specifications. Consider the 1 kV reverse voltage and 2 A current ratings against circuit demands. The wide operating temperature range supports harsh environment deployment where standard commercial parts may fail.

Part Context

This part belongs to the 1N66xx series of solid-state devices manufactured by Microchip Technology. It serves as the surface-mount equivalent to traditional axial-leaded rectifiers, providing compatibility with automated assembly processes. The device maintains the high-reliability standards associated with the broader 1N66xx family, utilizing advanced glass passivation techniques for durability.

Replacement Considerations

The 1N6631US is documented as a parameter-equivalent substitute for the 1N6631US/TR.