SDURF1540

Single Diodes Overview

The SDURF1540 is a single ultra-fast recovery silicon rectifier manufactured by SMC Diode Solutions. It features a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current of 15 A. The device utilizes an ITO-220AC through-hole package with a junction temperature range of -55°C to 150°C. Key electrical characteristics include a forward voltage drop of 1.25 V at 10 A and a reverse leakage current of 10 µA at 400 V. The component exhibits a typical reverse recovery time of 45 ns, supporting high-speed switching applications.

Single Diodes Feature Summary

• Ultra-fast switching capability with a 45 ns reverse recovery time for efficient high-frequency operation
• High surge current handling capacity to withstand transient load conditions
• Low reverse leakage current ensuring minimal power loss in the off-state

Single Diodes Applications

• High-frequency DC-DC converters
• Free-wheeling rectification in PWM circuits
• Snubber circuits in power supplies

Single Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure compliance with RoHS3 directives and REACH regulations as stated in the product documentation. Confirm the active status and lead times directly with authorized distributors prior to procurement.

Single Diodes Selection Notes

Select this component for designs requiring fast recovery characteristics in medium-current applications. The 400 V rating suits low-voltage AC/DC conversion stages. Evaluate thermal management requirements based on the 1.25 V forward voltage drop at 10 A. Ensure the circuit operates within the specified junction temperature limits for reliability.

Single Diodes Part Context

This part belongs to the SDURF series of ultra-fast recovery diodes from SMC Diode Solutions. The series offers various voltage and current ratings in the ITO-220AC package. It is designed to replace standard recovery diodes in applications where switching speed and efficiency are critical performance factors.

Single Diodes Replacement Considerations

Check for pin-compatible alternatives within the same voltage and current ratings. Verify that substitute components meet or exceed the 45 ns reverse recovery time requirement.