View irfp450n datasheet:

PD- 94216 SMPS MOSFET IRFP450N HEXFET® Power MOSFET Applications VDSS Rds(on) max ID l Switch Mode Power Supply (SMPS) l Uninterruptible Power Supply 500V 0.37? 14A l High Speed Power Switching Benefits l Low Gate Charge Qg results in Simple Drive Requirement l Improved Gate, Avalanche and Dynamic dv/dt Ruggedness l Fully Characterized Capacitance and Avalanche Voltage and Current TO-247AC l Effective Coss Specified (See AN 1001) Absolute Maximum Ratings Parameter Max. Units ID @ TC = 25°C Continuous Drain Current, VGS @ 10V 14 ID @ TC = 100°C Continuous Drain Current, VGS @ 10V 8.8 A IDM Pulsed Drain Current 56 PD @TC = 25°C Power Dissipation 200 W Linear Derating Factor 1.6 W/°C VGS Gate-to-Source Voltage ± 30 V dv/dt Peak Diode Recovery dv/dt ? 5.0 V/ns TJ Op