The FK4B0617ZL from Panasonic Corporation is a MOSFET with Continous Drain Current 8.2 A, Drain Source Resistance 15 to 31 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -10 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Chip. More details for FK4B0617ZL can be seen below.