The JSM12N10D from JSMicro Semiconductor is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 110 to 300 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for JSM12N10D can be seen below.