The SSF5508 from FrelTec is a MOSFET with Continous Drain Current 80 to 110 A, Drain Source Resistance 4.5 to 7 ohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Through Hole. More details for SSF5508 can be seen below.