The FCAB21770L from Panasonic Corporation is a MOSFET with Drain Source Resistance 1.3 to 5.3 milliohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage 8 V, Gate Source Threshold Voltage 0.35 to 1.4 V, Gate Charge 42 nC. Tags: Chip. More details for FCAB21770L can be seen below.