The EFC4C002NL from onsemi is a MOSFET with Continous Drain Current 30 A, Drain Source Resistance 1.5 to 5.1 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.2 V. Tags: Wafer, Chip. More details for EFC4C002NL can be seen below.