The CMS3400-HF from Comchip Technology is a MOSFET with Continous Drain Current 5.8 A, Drain Source Resistance 28 to 59 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.7 to 1.4 V. Tags: Surface Mount. More details for CMS3400-HF can be seen below.