The ZXMN20B28K from Diodes Incorporated is a MOSFET with Continous Drain Current 1.5 A, Drain Source Resistance 650 to 780 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for ZXMN20B28K can be seen below.