The FDMC6688P from onsemi is a MOSFET with Continous Drain Current -56 A, Drain Source Resistance 5.3 to 20 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -1 to -0.4 V. Tags: Surface Mount. More details for FDMC6688P can be seen below.