The IRF3205S from JSMicro Semiconductor is a MOSFET with Continous Drain Current 110 A, Drain Source Resistance 8.0 milli-ohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Surface Mount. More details for IRF3205S can be seen below.