1N1205B

Single Diodes Overview

The Microchip Technology 1N1205B is a standard recovery rectifier diode belonging to the S/R25 series. It features a single configuration housed in a DO-203AA (DO-4) stud mount package. The device supports a maximum repetitive peak reverse voltage of 500 V and an average forward rectified current of 25 A. Key electrical characteristics include a forward voltage of 1.2 V at 12 A, a maximum non-repetitive surge current of 250 A, and a reverse leakage current of 10 µA at 500 V. It operates within a junction temperature range of -65°C to +200°C.

Single Diodes Feature Summary

• High thermal stability with a maximum junction temperature rating of +200°C
• Robust surge handling capability for transient overload protection
• Stud mount construction designed for efficient heat dissipation

Single Diodes Applications

• Industrial power supply rectification
• Battery charging systems
• DC power distribution units

Single Diodes Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm exact electrical tolerances and marking codes. Confirm RoHS compliance status as historical data indicates variations within this series. Ensure mounting hardware compatibility with the DO-203AA flange specification prior to integration.

Single Diodes Selection Notes

Select this component for applications requiring high-temperature operation up to 200°C and moderate current handling. Compare the 25 A continuous rating against system load requirements. Consider the stud mount form factor for direct heatsink attachment versus PCB trace limitations found in smaller packages.

Single Diodes Part Context

This part belongs to the Microchip S/R25 series of silicon rectifiers. These components are engineered for general-purpose rectification in demanding environments. The series utilizes robust silicon die technology to ensure reliability under high thermal stress conditions common in industrial equipment.

Single Diodes Replacement Considerations

Cross-reference with other 1N1205 variants such as 1N1205C or 1N1205BR only if datasheet parameters match exactly. Verify pinout and mechanical dimensions for DO-203AA compatibility before substitution.