1N5418US/TR

Overview

The Microchip Technology 1N5418US/TR is a fast recovery rectifier diode designed for surface-mount applications. It features a single silicon element with a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current of 3 A. The device exhibits a typical reverse recovery time of 150 ns and a maximum forward voltage drop of 1.5 V at 9 A. It operates within a junction temperature range of -65°C to +175°C and is supplied in a B-Package-2 SMD configuration.

Feature Summary

• Hermetically sealed voidless-glass construction for high reliability
• Fast recovery characteristics suitable for high-frequency switching
• Military qualification per MIL-PRF-19500/411 standards

Applications

• High-reliability aerospace power supplies
• Military-grade rectification circuits
• Harsh environment industrial electronics

Procurement Notes

Verify the specific suffix US/TR against the manufacturer's official datasheet to confirm the exact package type, lead finish, and reel specifications. Ensure the component meets all required military qualification standards for your application. Cross-reference the part number with the latest Product Change Notifications to identify any recent manufacturing or material updates that may affect compatibility.

Selection Notes

Select this component when a hermetically sealed, military-qualified fast recovery diode is required for surface-mount assembly. It serves as a robust alternative to through-hole variants in space-constrained designs. Consider the 150 ns reverse recovery time and 400 V blocking capability when designing circuits requiring efficient high-voltage rectification under extreme thermal conditions.

Part Context

This part belongs to the 1N5415 through 1N5420 series of industry-recognized 3.0 amp rated rectifiers. These devices are characterized by their voidless-glass construction and internal category marking. The series covers working peak reverse voltages from 50 to 600 volts, providing a standardized solution for critical power conversion tasks in demanding environments.

Replacement Considerations

Direct substitutes include JANTX1N5418 and JANS1N5418. Verify pinout and package dimensions before substitution.