The FCAB21910L from Nuvoton Technology is a MOSFET with Continous Drain Current 8.5 to 20.0 A, Drain Source Resistance 2.40 to 6.95 milli-ohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 1.30 to 2.35 V. Tags: Chip. More details for FCAB21910L can be seen below.