The P39LF6QTKD from Shindengen America is a MOSFET with Continous Drain Current 39 A, Drain Source Resistance 8.3 to 14.8 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for P39LF6QTKD can be seen below.