The DI030N03D1 from Diotec Semiconductor is a MOSFET with Continous Drain Current 30 A, Drain Source Resistance 10 to 25 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.2 V. Tags: Surface Mount. More details for DI030N03D1 can be seen below.