1N3879R

Single Diodes Overview

The GeneSiC Semiconductor 1N3879R is a silicon fast recovery rectifier diode housed in a DO-4 (DO-203AA) stud mount package. It features a maximum repetitive peak reverse voltage of 50 V and a continuous forward current rating of 6 A. The device exhibits a maximum forward voltage of 1.4 V and a maximum reverse recovery time of 200 ns. It supports an operating temperature range from -55 °C to +150 °C with a thermal resistance junction-to-case of 2.5 °C/W. The 'R' suffix indicates reversed polarity where the stud functions as the anode.

Single Diodes Feature Summary

• High surge non-repetitive forward current capability for robust transient handling
• Fast recovery characteristics suitable for high-frequency switching applications
• Stud mount construction providing efficient thermal dissipation paths

Single Diodes Applications

• High-speed rectification circuits
• Free-wheeling diode configurations
• Inverter and converter topologies requiring fast recovery

Single Diodes Procurement Notes

Verify the specific part marking and datasheet revision before procurement. Confirm that the reversed polarity configuration matches the circuit design requirements, as the standard version differs electrically. Ensure mounting surfaces are compatible with the specified thermal resistance values for proper heat sinking.

Single Diodes Selection Notes

Select this component when a 50 V blocking voltage and 6 A continuous current are required in a stud-mount form factor. Consider the 200 ns reverse recovery time against circuit switching speeds. Evaluate the thermal management strategy based on the 2.5 °C/W junction-to-case resistance to maintain safe operating temperatures.

Single Diodes Part Context

This component belongs to the 1N3879 through 1N3883R series of silicon fast recovery diodes. The series shares identical electrical ratings except for the reverse voltage, which scales from 50 V to 400 V across the variants. All members utilize the same DO-4 package and thermal characteristics.

Single Diodes Replacement Considerations

Cross-reference with other manufacturers offering DO-4 packaged fast recovery diodes rated at 50 V and 6 A. Verify that substitute parts match the 200 ns reverse recovery time and 1.4 V forward voltage specifications.