The 4402 from Goford Semiconductor is a MOSFET with Continous Drain Current 30 A, Drain Source Resistance 6.8 to 25 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage 0.5 to 1 V. Tags: Surface Mount. More details for 4402 can be seen below.