The ISM10NT4-18 from ISOCOM is a MOSFET with Continous Drain Current 18 A, Drain Source Resistance 0.07 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: Through Hole. More details for ISM10NT4-18 can be seen below.