The 18N10 from Goford Semiconductor is a MOSFET with Continous Drain Current 25 A, Drain Source Resistance 37 to 63 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for 18N10 can be seen below.