The IRF9520S from Vishay is a MOSFET with Continous Drain Current -6.8 A, Drain Source Resistance 600 milliohm, Drain Source Breakdown Voltage -100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2 to -4 V. Tags: Surface Mount. More details for IRF9520S can be seen below.