The DMN30H4D0L from Diodes Incorporated is a MOSFET with Continous Drain Current 0.25 A, Drain Source Resistance 2100 to 6000 Milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for DMN30H4D0L can be seen below.