1N3899

Single Diodes Overview

The Microchip Technology 1N3899R is a standard recovery rectifier diode housed in the DO-203AB (DO-5) axial leaded package. It features a maximum DC reverse voltage of 50 V and an average forward rectified current rating of 20 A. The device exhibits a maximum forward voltage drop of 1.4 V at 63 A and a reverse leakage current of 50 µA at 50 V. Key electrical characteristics include a reverse recovery time of 200 ns, junction capacitance of 150 pF at 10 V and 1 MHz, and an operating junction temperature range from -65°C to 150°C.

Single Diodes Feature Summary

• Standard recovery technology with fast response capabilities suitable for general-purpose rectification
• Robust thermal performance supporting high junction temperatures up to 150°C
• Axial leaded construction designed for reliable stud or panel mounting applications

Single Diodes Applications

• Industrial power supply rectification circuits
• High-current battery charging systems
• DC motor drive protection stages

Single Diodes Procurement Notes

Verify component authenticity through authorized Microchip distributors. Confirm RoHS compliance status as this specific part may not meet current environmental directives. Validate package dimensions against mechanical constraints before finalizing procurement orders.

Single Diodes Selection Notes

Select this component when high surge current handling and low forward voltage drop are required. Ensure the application voltage remains below the 50 V reverse breakdown limit. Consider thermal management strategies given the 20 A continuous current capability and associated heat dissipation requirements.

Single Diodes Part Context

This device belongs to the 1N389x series of high-power silicon rectifiers manufactured by Microchip Technology. It serves as a rugged solution for demanding power electronics environments where reliability under high stress conditions is critical. The series supports legacy designs requiring standardized axial packages.

Single Diodes Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and ensure equivalent electrical ratings match the original design specifications.