The FDC655BN from onsemi is a MOSFET with Continous Drain Current 6.3 A, Drain Source Resistance 25 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 FDC655BN can be seen below.