The FDMS3604S from onsemi is a MOSFET with Continous Drain Current 13 to 23 A, Drain Source Resistance 2.8 to 8 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.7 to 3 V. Tags: Surface Mount. More details for FDMS3604S can be seen below.