The INJ0103AU1 from Isahaya Electronics is a MOSFET with Continous Drain Current -550 mA, Drain Source Resistance 0.67 to 1.6 ohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -0.4 to -1.3 V. Tags: Surface Mount. More details for INJ0103AU1 can be seen below.