The JSM30N02D from JSMicro Semiconductor is a MOSFET with Continous Drain Current 80 to 150 A, Drain Source Resistance 3.8 ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 2.5 V. Tags: Surface Mount. More details for JSM30N02D can be seen below.