The ISM100NS1-5 from ISOCOM is a MOSFET with Continous Drain Current 5.0 A, Drain Source Resistance 1.40 to 2.0 ohm, Drain Source Breakdown Voltage 1000 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for ISM100NS1-5 can be seen below.