The YJQ20P03A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current -20 A, Drain Source Resistance 13.5 to 27 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for YJQ20P03A can be seen below.