The STD15N60DM6 is an N-Channel 600 V MOSFET in a TO-252 (DPak) surface-mount package. Gate charge is 15.3 nC at 10 V; input capacitance is 607 pF at 100 V drain-source.
Operating temperature range is -55°C to 150°C; power dissipation is 110 W.
For current designs this means no forced requalification risk.
