The 2N4351 from CALOGIC is a MOSFET with Continous Drain Current 100 mA, Drain Source Resistance 300 ohm, Drain Source Breakdown Voltage 25 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 1 to 5 V. Tags: Through Hole. More details for 2N4351 can be seen below.