The KFK9B0613ZL from Nuvoton Technology is a MOSFET with Continous Drain Current 2.5 to 5.1 A, Drain Source Resistance 41.0 to 85 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -10 to 12 V, Gate Source Threshold Voltage 1.0 to 3.0 V. Tags: Chip. More details for KFK9B0613ZL can be seen below.