The YJL3401A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current -4.4 A, Drain Source Resistance 40 to 94 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.4 to -0.6 V. Tags: Surface Mount. More details for YJL3401A can be seen below.