The JSM13N50F from JSMicro Semiconductor is a MOSFET with Continous Drain Current 8.0 to 13.0 A, Drain Source Resistance 0.42 to 0.52 ohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Through Hole. More details for JSM13N50F can be seen below.