The CMS0103M-HF from Comchip Technology is a MOSFET with Continous Drain Current 3 A, Drain Source Resistance 136 to 170 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 2 V. Tags: Surface Mount. More details for CMS0103M-HF can be seen below.