The ISM10NL1-4 from ISOCOM is a MOSFET with Continous Drain Current 3.5 A, Drain Source Resistance 0.69 ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Surface Mount. More details for ISM10NL1-4 can be seen below.