The Si7942DP from Vishay is a MOSFET with Continous Drain Current 5.9 A, Drain Source Resistance 41 to 60 Milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for Si7942DP can be seen below.