The SHD230209 from Sensitron Semiconductor is a MOSFET with Continous Drain Current -3.5 A, Drain Source Resistance 0.60 ohm, Drain Source Breakdown Voltage -100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.0 to 4.0 V. Tags: Surface Mount. More details for SHD230209 can be seen below.