PD - 94787B IRFZ44NPbF HEXFET® Power MOSFET l Advanced Process Technology l Ultra Low On-Resistance D l Dynamic dv/dt Rating VDSS = 55V l 175°C Operating Temperature l Fast Switching RDS(on) = 17.5mΩ l Fully Avalanche Rated G l Lead-Free ID = 49A S Description Advanced HEXFET® Power MOSFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of applications. The TO-220 package is universally preferred for all commercial-industrial applications at power dissipation levels to approximately 50 watts. The low thermal resistance and low package cost of the TO-220 contribute TO-220AB to its wide acceptance throughout the industry. Absolute Maximum RatingsParameterMax.Units ID @ TC = 25°C Continuous Drain Current, VGS @ 10V 49 ID @ TC = 100°C Continuous Drain Current, VGS @ 10V 35 A IDM Pulsed Drain Current 160 PD @TC = 25°C Power Dissipation 94 W Linear Derating Factor 0.63 W/°C VGS Gate-to-Source Voltage ± 20 V IAR Avalanche Current 25 A EAR Repetitive Avalanche Energy 9.4 mJ dv/dt Peak Diode Recovery dv/dt 5.0 V/ns TJ Operating Junction and -55 to + 175 TSTG Storage Temperature Range °C Soldering Temperature, for 10 seconds 300 (1.6mm from case ) Mounting torque, 6-32 or M3 srew 10 lbf•in (1.1N•m) Thermal ResistanceParameterTyp.Max.Units RθJC Junction-to-Case ––– 1.5 RθCS Case-to-Sink, Flat, Greased Surface 0.50 ––– °C/W RθJA Junction-to-Ambient ––– 62 www.irf.com 1 09/21/10