The KFCAB21C30L from Nuvoton Technology is a MOSFET with Continous Drain Current 9.8 to 24.0 A, Drain Source Resistance 1.85 to 5.15 milli-ohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.30 to 2.35 V. Tags: Chip. More details for KFCAB21C30L can be seen below.