The EFC4612R-S from onsemi is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 24 to 72 milliohm, Drain Source Breakdown Voltage 24 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.3 V. Tags: Wafer, Chip. More details for EFC4612R-S can be seen below.