SF31G R0G

Single Diodes Overview

The SF31G R0G is a general-purpose fast recovery rectifier diode manufactured by Taiwan Semiconductor Corporation. It features a maximum repetitive peak reverse voltage of 200V and an average forward rectified current rating of 3A. The device utilizes a glass passivated chip junction within a DO-201AD axial through-hole package. Key electrical characteristics include a maximum instantaneous forward voltage of 950mV at 3A, a typical reverse recovery time of 35ns, and a maximum reverse leakage current of 5µA at rated voltage. The component operates across a junction temperature range of -55°C to 150°C.

Single Diodes Feature Summary

• Glass passivated chip junction construction for high reliability
• Fast recovery speed with low power loss characteristics
• High surge current capability for robust performance

Single Diodes Applications

• General purpose rectification in power supplies
• Inverter circuits
• Free-wheeling diodes
• DC-DC converters

Single Diodes Procurement Notes

Verify the specific suffix R0G against the manufacturer datasheet to confirm packaging details and compliance status. Ensure the DO-201AD axial lead configuration matches the target PCB layout requirements. Cross-reference the 200V reverse voltage rating with circuit operating conditions to prevent breakdown. Confirm thermal management capabilities align with the specified junction temperature limits during operation.

Single Diodes Selection Notes

Select this component when a 200V blocking voltage and 3A continuous current are required in a standard through-hole package. The 35ns reverse recovery time makes it suitable for higher frequency switching applications compared to standard rectifiers. Evaluate the forward voltage drop impact on system efficiency. Consider the axial lead form factor for manual insertion or specific automated assembly processes requiring DO-201AD footprints.

Single Diodes Part Context

This part belongs to the SF series of fast recovery rectifiers from Taiwan Semiconductor. The series offers various voltage ratings while maintaining consistent current handling and package styles. The SF31G variant specifically targets applications needing moderate voltage isolation with fast switching speeds. It serves as a direct replacement for obsolete components in legacy designs requiring similar electrical specifications and mechanical dimensions.

Single Diodes Replacement Considerations

SF31G-A and SF31GHR0G are documented parameter-equivalent alternatives from the same manufacturer.