FMX-4202S

Diode Arrays Overview

The FMX-4202S is a fast recovery diode manufactured by Sanken Electric. It features a repetitive peak reverse voltage (VRM) of 200 V and an average forward current (IF(AV)) rating of 20 A. The device achieves a maximum reverse recovery time (trr1) of 30 ns through optimized lifetime control. Electrical characteristics include a forward voltage drop (VF) of 0.98 V at 10 A and a junction-to-case thermal resistance of 2.0 °C/W. Surge forward current capability reaches 150 A for a half-cycle sine wave.

Diode Arrays Feature Summary

• Optimized lifetime control enables a fast reverse recovery time of 30 ns.
• High surge forward current capacity supports robust operation under transient conditions.
• Low forward voltage drop contributes to efficient power conversion performance.

Diode Arrays Applications

• Secondary-side rectifier diode in flyback converters
• Secondary-side rectifier diode in LLC converters
• Freewheel diode in offline buck converters
• Freewheel diode in offline buck-boost converters

Diode Arrays Procurement Notes

Verify the specific datasheet revision, as Sanken updates product information without notice. Confirm compliance with RoHS directives regarding lead-free materials before integration. Ensure application suitability documentation is signed and returned to Sanken if used in equipment requiring higher reliability than general purpose electronics.

Diode Arrays Selection Notes

Select this component for applications requiring high current handling with fast switching speeds. The TO3PF-3L package facilitates heatsink mounting for effective thermal management. Evaluate derating curves based on case temperature and reverse voltage conditions to ensure operation within absolute maximum ratings.

Diode Arrays Part Context

This component belongs to Sanken's fast recovery diode portfolio designed for power supply circuits. It utilizes a silicon planar structure housed in a TO3PF-3L package. The device is intended for general-purpose electronic equipment and requires specific approval for use in transportation or safety-critical systems.

Diode Arrays Replacement Considerations

No public confirmed substitute part numbers are documented in the official datasheet.

Diode Arrays FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 150 °C.

How is the thermal resistance defined?

The thermal resistance from junction to case is 2.0 °C/W, measured at the backside near the screw hole.

What is the configuration of the leads?

The device has three terminals: Pin 1 is Anode, Pin 2 is Cathode, and Pin 3 is Anode.