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FMLB-4204S is listed in the Diode Arrays range at ChipApex. The manufacturer field lists Sanken Electric USA Inc.. Its product description is DIODE ARRAY GP 400V 20A TO-3PF. Review the specifications below when checking this part for your BOM.
The FMLB-4204S is a fast recovery diode manufactured by Sanken Electric. It features a maximum repetitive reverse voltage (VRM) of 400 V and an average forward current (IF(AV)) rating of 20 A. The component exhibits a maximum reverse recovery time (trr) of 50 ns, ensuring rapid switching performance suitable for high-frequency applications.
Verify the specific datasheet version and package type before procurement to ensure compatibility with your design requirements. Confirm that the 400 V reverse voltage and 20 A current ratings align with your circuit's peak operating conditions. Check for any specific mounting or thermal management guidelines provided in the official documentation.
Select this component when a 400 V blocking voltage and 20 A continuous current are required alongside fast switching speeds. The 50 ns reverse recovery time makes it appropriate for applications where minimizing switching losses and electromagnetic interference is critical. Ensure the thermal environment supports the specified current rating.
This part belongs to Sanken Electric's fast recovery diode lineup, designed for efficient power conversion. It shares functional similarities with other high-voltage rectifiers but is distinguished by its specific combination of 400 V rating and 50 ns recovery speed, targeting modern high-efficiency power electronics.
Potential substitutes include the International Rectifier MUR3020WT and MURB1520PBF, as well as the Sanken CTXS-5306S. Verify that alternative parts meet or exceed the 400 V VRM and 20 A IF(AV) specifications while maintaining comparable reverse recovery times.
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