The IRF530S from Vishay is a MOSFET with Continous Drain Current 10 to 14 A, Drain Source Resistance 0.16 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for IRF530S can be seen below.