The YJL3404J from Yangjie Electronic Technology is a MOSFET with Continous Drain Current 5 A, Drain Source Resistance 19 to 35 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for YJL3404J can be seen below.