1N3892

Single Diodes Overview

The Microchip Technology 1N3892 is a silicon fast recovery rectifier diode designed for high-power applications. It features a maximum average forward current of 12 A and a peak repetitive reverse voltage of 400 V. The device utilizes a DO-4 stud mount package, facilitating efficient thermal management in chassis-mounted configurations. Key electrical characteristics include a maximum forward voltage drop of 1.4 V at rated current and a reverse recovery time of 200 ns. The component operates within a junction temperature range of -65°C to 150°C, ensuring reliability under demanding conditions.

Single Diodes Feature Summary

• Fast recovery performance with low stored charge for efficient switching
• Robust surge capability supporting wide current ranges
• Stud mount construction for direct chassis installation and heat dissipation

Single Diodes Applications

• High-frequency power supply rectification
• Free-wheeling diodes in inductive load circuits
• DC-to-AC inverters and motor drives

Single Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N3892 designation is utilized by multiple vendors including International Rectifier, Vishay, and GeneSiC. Confirm that the supplied unit matches the required JEDEC standard and package dimensions. Ensure the datasheet confirms the 400 V rating and 200 ns recovery time if sourced from non-Microchip origins, as specifications may vary slightly between manufacturers offering this legacy part number.

Single Diodes Selection Notes

Select this component for applications requiring high current handling and rapid reverse recovery characteristics. The stud mount package is suitable for systems where board space is limited but chassis mounting is feasible. Consider the 1.4 V forward voltage drop when calculating conduction losses at 12 A. Ensure the operating environment supports the specified temperature range and that adequate heatsinking is provided for thermal regulation.

Single Diodes Part Context

The 1N3892 belongs to the family of standard fast recovery power rectifiers defined by JEDEC standards. It is commonly used in industrial and automotive electronics where reliability under high stress is critical. The DO-4 package provides a standardized footprint for mounting on metal chassis, allowing for effective thermal transfer away from the semiconductor junction during continuous operation.

Single Diodes Replacement Considerations

Equivalent parts include the VS-1N3892 from Vishay and the 1N3892R from GeneSiC Semiconductor. Verify pinout compatibility and thermal resistance values when substituting. Ensure the replacement maintains the same 400 V reverse voltage and 12 A current ratings to preserve circuit integrity.