The SSF5506 from FrelTec is a MOSFET with Continous Drain Current 100 to 140 A, Drain Source Resistance 3.8 to 6.4 ohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Through Hole. More details for SSF5506 can be seen below.