The KFK9B0463ZL from Nuvoton Technology is a MOSFET with Continous Drain Current 7.5 to 12.9 A, Drain Source Resistance 7.0 to 27 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -10 to 12 V, Gate Source Threshold Voltage 1.2 to 3.0 V. Tags: Chip. More details for KFK9B0463ZL can be seen below.