1N3911A

Single Diodes Overview

The Microchip Technology 1N3911A is a high-reliability fast recovery rectifier qualified per MIL-PRF-19500/308. It features a 200 V DC reverse voltage rating and a 50 A average forward current capability. The device utilizes a stud mount configuration within the DO-203AB (DO-5) package. It supports junction temperatures up to 150°C and exhibits a maximum reverse leakage current of 15 µA at 200 V. The component is designed for demanding industrial and military applications requiring robust power handling.

Single Diodes Feature Summary

• Qualified under MIL-PRF-19500/308 for high reliability
• Fast recovery rectification technology
• Stud mount construction for thermal management

Single Diodes Applications

• Military electronic systems
• Industrial power conversion
• High-reliability rectification circuits

Single Diodes Procurement Notes

Verify that the specific order includes the 'A' suffix, as this denotes the temperature-compensated or enhanced variant distinct from the standard 1N3911. Confirm the package type matches the required mounting hardware. Ensure compliance with the specified military qualification standards if required by the system design. Check for RoHS status as these components may not be compliant.

Single Diodes Selection Notes

Select the 1N3911A when a 200 V blocking voltage and 50 A continuous current are necessary. The stud mount style requires compatible heatsinking infrastructure. Consider the fast recovery characteristics for switching applications. Verify that the operating environment supports the specified junction temperature range and mechanical mounting constraints.

Single Diodes Part Context

This component belongs to the 1N39xx series of high-reliability rectifiers manufactured by Microchip Technology. The series includes variants such as 1N3909 through 1N3913, differentiated primarily by their reverse voltage ratings ranging from 50 V to 400 V. All share similar current ratings and package styles suitable for heavy-duty power applications.

Single Diodes Replacement Considerations

Public confirmed substitute part numbers include 1N3911R and 1N3911AR. These variants maintain the same electrical specifications and package form factor while potentially differing in packaging or specific military lot qualifications.