The SiHD186N60EF from Vishay is a MOSFET with Continous Drain Current 19 A, Drain Source Resistance 175 to 201 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for SiHD186N60EF can be seen below.