The YJD20N06A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 34 to 47 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for YJD20N06A can be seen below.