The FCAB21910L from Panasonic Corporation is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 2.4 to 6.95 Milliohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 1.3 to 2.35 V. Tags: Chip. More details for FCAB21910L can be seen below.