1N3890R

Single Diodes Overview

The GeneSiC Semiconductor 1N3890R 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 100 V and a continuous forward current rating of 12 A. The device exhibits a maximum reverse recovery time of 200 ns and a typical forward voltage drop of 1.4 V at rated current. It operates within a junction temperature range of -55°C to 150°C, with a thermal resistance from junction to case of 2.0 °C/W.

Single Diodes Feature Summary

• Fast recovery characteristics with a maximum reverse recovery time of 200 ns
• High surge non-repetitive forward current capability
• Stud mount construction for efficient thermal management

Single Diodes Applications

• High frequency power conversion circuits
• Inverter and chopper applications
• Industrial motor drive systems

Single Diodes Procurement Notes

Verify the specific part marking against the datasheet terminal configuration diagram to confirm polarity orientation. The suffix 'R' indicates reversed leads where the stud functions as the anode rather than the cathode. Ensure mounting hardware matches the specified thread size and torque requirements to maintain proper thermal contact and electrical isolation.

Single Diodes Selection Notes

Select this component when a 100 V blocking voltage and 12 A continuous current are required in a stud-mount form factor. The 200 ns recovery time makes it suitable for medium-frequency switching applications. Compare thermal resistance values against the system's heat sink capabilities to ensure the junction temperature remains within the specified operating limits under worst-case load conditions.

Single Diodes Part Context

This device belongs to the 1N3889 through 1N3893 series of silicon fast recovery rectifiers. The series shares identical physical dimensions and thermal characteristics, differing primarily in their voltage ratings. The 1N3890R specifically provides a 100 V rating, positioned between the lower voltage 1N3889R and higher voltage variants like the 1N3891R.

Single Diodes Replacement Considerations

Compatible substitutes include other manufacturers' DO-4 packaged fast recovery diodes with matching 100 V and 12 A ratings. Verify that replacement parts meet the same 200 ns reverse recovery time specification and possess equivalent thermal resistance values to ensure circuit performance parity.