The JSM20N65F from JSMicro Semiconductor is a MOSFET with Continous Drain Current 12.5 to 20 A, Drain Source Resistance 0.38 to 0.45 ohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Through Hole. More details for JSM20N65F can be seen below.