The MSJP20N65A from Micro Commercial Components is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 170 to 190 milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for MSJP20N65A can be seen below.