The FDMS7660 from onsemi is a MOSFET with Continous Drain Current 42 A, Drain Source Resistance 2.4 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 V. Tags: Surface Mount. More details for FDMS7660 can be seen below.