The FDMC7660 from onsemi is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 2.2 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 V. Tags: Surface Mount. More details for FDMC7660 can be seen below.