The KFCAB21520L from Nuvoton Technology is a MOSFET with Continous Drain Current 16 to 35 A, Drain Source Resistance 1.10 to 4.50 milli-ohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.35 to 1.40 V. Tags: Chip. More details for KFCAB21520L can be seen below.