1N4454-1/TR

Overview

The 1N4454-1/TR is a silicon switching diode manufactured by Microchip Technology, designed for high-speed signal and computer applications. It features a maximum average forward rectified current of 200 mA and a peak repetitive reverse voltage of 75 V. The device exhibits a fast reverse recovery time of 4 ns and a low forward voltage drop of 1 V at 10 mA. It operates within a junction temperature range of -65°C to +175°C and maintains a reverse leakage current of 100 nA at 50 V.

Feature Summary

• Hermetically sealed construction with metallurgically bonded double plug design
• Fast switching capability optimized for high-speed digital circuits
• Extended thermal stability suitable for demanding operational environments

Applications

• High-speed computer logic circuits
• Signal rectification in communication equipment
• Clamping and protection in digital systems

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm tape-and-reel packaging availability. Confirm compliance requirements such as RoHS status and military qualification levels prior to procurement. Ensure the ordering part number matches the exact electrical specifications and package type required for the target application.

Selection Notes

Select this component when fast reverse recovery characteristics are critical for circuit performance. The wide operating temperature range supports deployment in harsh industrial or aerospace environments. Verify that the 200 mA current rating aligns with the load requirements and that the DO-35 axial package fits the board layout constraints.

Part Context

This part belongs to the 1N4454 series of standard switching diodes produced under MIL-PRF-19500/144 standards. It serves as a robust alternative to general-purpose diodes where speed and reliability are paramount. The series includes various package options and qualification grades to meet diverse electronic system needs.

Replacement Considerations

Consult official substitution lists for equivalent parts from other manufacturers. Verify pinout compatibility and electrical parameter margins before replacing the component in existing designs.