The YJJ3724A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current -3 to 3.6 A, Drain Source Resistance 26 to 109 milliohm, Drain Source Breakdown Voltage -30 to 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.4 to 2.2 V. Tags: Surface Mount. More details for YJJ3724A can be seen below.