View irfp460a datasheet:

PD- 91880 SMPS MOSFET IRFP460A HEXFET® Power MOSFET Applications VDSS Rds(on) max ID Switch Mode Power Supply ( SMPS ) Uninterruptable Power Supply 500V 0.27? 20A High speed power switching Benefits Low Gate Charge Qg results in Simple Drive Requirement Improved Gate, Avalanche and dynamic dv/dt Ruggedness Fully Characterized Capacitance and Avalanche Voltage and Current G D S TO-247AC Effective Coss specified ( See AN1001) Absolute Maximum Ratings Parameter Max. Units ID @ TC = 25°C Continuous Drain Current, VGS @ 10V 20 ID @ TC = 100°C Continuous Drain Current, VGS @ 10V 13 A IDM Pulsed Drain Current 80 PD @TC = 25°C Power Dissipation 280 W Linear Derating Factor 2.2 W/°C VGS Gate-to-Source Voltage ± 30 V dv/dt Peak Diode Recovery dv/dt 3.8 V/ns TJ Oper