The JSM12N80F from JSMicro Semiconductor is a MOSFET with Continous Drain Current 7.32 to 12 A, Drain Source Resistance 1.0 ohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.0 to 5.0 V. Tags: Through Hole. More details for JSM12N80F can be seen below.