The SHD231006 from Sensitron Semiconductor is a MOSFET with Continous Drain Current 0.25 A, Drain Source Resistance 3.0 to 4.0 ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 2.5 V. Tags: Surface Mount. More details for SHD231006 can be seen below.