View irfp31n50l datasheet:

PD - 94081 SMPS MOSFET IRFP31N50L Applications HEXFET® Power MOSFET Switch Mode Power Supply (SMPS) UninterruptIble Power Supply VDSS RDS(on) typ. ID High Speed Power Switching 500V 0.15? 31A ZVS and High Frequency Circuit PWM Inverters Benefits Low Gate Charge Qg results in Simple Drive Requirement Improved Gate, Avalanche and Dynamicdv/dt Ruggedness Fully Characterized Capacitance and Avalanche Voltage and Current Low Trr and Soft Diode Recovery TO-247AC High Performance Optimised Anti-parallel Diode Absolute Maximum Ratings Parameter Max. Units ID @ TC = 25°C Continuous Drain Current, VGS @ 10V 31 ID @ TC = 100°C Continuous Drain Current, VGS @ 10V 20 A IDM Pulsed Drain Current 124 PD @TC = 25°C Power Dissipation 460 W Linear Derating Factor 3.7 W/°C