The JSM7240 from JSMicro Semiconductor is a MOSFET with Continous Drain Current 40 A, Drain Source Resistance 4.2 to 7.0 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.4 to 2.4 V. Tags: Surface Mount. More details for JSM7240 can be seen below.