The MTB1K8N25N3-0-T1-G from Cystech Electronics is a MOSFET with Continous Drain Current 0.29 to 0.37 A, Drain Source Resistance 1.5 to 6 ohm, Drain Source Breakdown Voltage 250 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.3 V. Tags: Surface Mount. More details for MTB1K8N25N3-0-T1-G can be seen below.