The G66-3L from Goford Semiconductor is a MOSFET with Continous Drain Current -5.8 A, Drain Source Resistance 32 to 60 milliohm, Drain Source Breakdown Voltage -16 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -1 to -0.45 V. Tags: Surface Mount. More details for G66-3L can be seen below.