Alpha and Omega Semiconductor has announced a series of super-junction power mosfets. Branded αMOS5, its first members are both 600V 250A transistors in TO-247 packaging: the 40mΩ AOK040A60, and the 42mΩ AOK042A60FD ‘fast body diode’ device – reverse recovery is typically 252ns (25A, 100A/μs, 400V) compared with 525ns in the 40mΩ part. “The optimised capacitance of the 40mΩ …
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