The SiHA21N60EF from Vishay is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 153 to 176 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for SiHA21N60EF can be seen below.