The FC4B22070L from Panasonic Corporation is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 12 to 37 Milliohm, Drain Source Breakdown Voltage 24 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.4 to 1.4 V. Tags: Chip. More details for FC4B22070L can be seen below.