The 2305 from Goford Semiconductor is a MOSFET with Continous Drain Current -4.1 A, Drain Source Resistance 42 to 70 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1 to -0.4 V. Tags: Surface Mount. More details for 2305 can be seen below.