The EFC3J018NUZ from onsemi is a MOSFET with Continous Drain Current 23 A, Drain Source Resistance 2.5 to 9 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage 1.3 V. Tags: Wafer, Chip. More details for EFC3J018NUZ can be seen below.