The ZXMD63N03X from Diodes Incorporated is a MOSFET with Continous Drain Current 2.3 A, Drain Source Resistance 135 to 200 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 V. Tags: Surface Mount. More details for ZXMD63N03X can be seen below.