The JSM75N75B from JSMicro Semiconductor is a MOSFET with Continous Drain Current 60 to 75 A, Drain Source Resistance 10 to 15 milli-ohm, Drain Source Breakdown Voltage 75 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Surface Mount. More details for JSM75N75B can be seen below.