1N3912R

Single Diodes Overview

The 1N3912R is a high-reliability fast recovery rectifier diode manufactured by Microchip Technology. It features a single silicon element with a maximum average forward current of 50 A and a repetitive peak reverse voltage (VRRM) ranging from 50 V to 400 V, specifically rated at 300 V for this variant. The device utilizes a stud mount package (DO-203AB/DO-5) with the case connected to the anode. It supports junction temperatures up to 150 °C and includes hermetic sealing options in certain configurations.

Single Diodes Feature Summary

• High reliability construction qualified per MIL-PRF-19500/308 standards
• Fast recovery performance suitable for demanding switching applications
• Stud mount design with case connected to anode for efficient thermal management

Single Diodes Applications

• High-reliability power conversion systems
• Industrial rectification circuits requiring fast recovery characteristics
• Military and aerospace electronic assemblies

Single Diodes Procurement Notes

Verify the specific voltage rating suffix when ordering, as the base part number covers a range. Confirm package type requirements, noting that some variants may differ in sealing or lead configuration. Ensure compatibility with existing mounting hardware due to the stud mount form factor. Check for RoHS compliance status if required by project specifications.

Single Diodes Selection Notes

Select this component for applications requiring robust fast recovery rectification under high current conditions. The 50 A rating and stud mount package facilitate heat dissipation in high-power environments. Consider the specific reverse voltage requirement within the 50 V to 400 V range to ensure adequate margin. Verify mechanical fit for the DO-203AB package in the final assembly.

Single Diodes Part Context

This device belongs to the 1N39xx series of high-reliability fast recovery rectifiers produced by Microchip Technology. The series offers various voltage ratings and package options to suit different power levels. The 'R' suffix typically denotes a specific package or qualification variant within the family, often associated with stud mount or hermetic sealing configurations.

Single Diodes Replacement Considerations

Direct substitutes include other parts in the 1N39xx series such as 1N3912A or 1N3913R, provided voltage and current ratings match. Cross-reference with MIL-PRF-19500/308 qualified equivalents from other manufacturers if availability is constrained. Ensure mechanical dimensions and terminal connections are compatible before substitution.