The JSM20N60C from JSMicro Semiconductor is a MOSFET with Continous Drain Current 12.5 to 20 A, Drain Source Resistance 0.40 ohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Through Hole. More details for JSM20N60C can be seen below.