The 630AT from Goford Semiconductor is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 207 to 330 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 2.2 V. Tags: Through Hole. More details for 630AT can be seen below.