The CMS04N06Y-HF from Comchip Technology is a MOSFET with Continous Drain Current 4 A, Drain Source Resistance 85 to 110 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for CMS04N06Y-HF can be seen below.