ssfd4004.pdf datasheet:

SSFD4004 Main Product Characteristics: VDSS 40V RDS(on) 3.2mohm(typ.) ID 145A TO-252 Mar ki ng a nd p in Sche ma ti c di agr a m Assignment Features and Benefits: Advanced MOSFET process technology Special designed for PWM, load switching and general purpose applications Ultra low on-resistance with low gate charge Fast switching and reverse body recovery 175 operating temperature Description: It utilizes the latest trench processing techniques to achieve the high cell density and reduces the on-resistance with high repetitive avalanche rating. These features combine to make this design an extremely efficient and reliable device for use in power switching application and a wide variety of other applications Absolute max Rating: Symbol Parameter Max. Units ID @ TC = 25 Continuous Drain Current, VGS @ 10V 145 C I