The RFD3055LESM9A from onsemi is a MOSFET with Continous Drain Current 11 A, Drain Source Resistance 107 mohms, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -16 to 16 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for RFD3055LESM9A can be seen below.