The SPP20N60S5 is a 600V N-channel CoolMOS? Power MOSFET with innovative high voltage technology. The CoolMOS? MOSFET offers a significant reduction of conduction, switching and driving losses and enable high power density and efficiency for superior power conversion systems. The latest state-of-the-art generation of high voltage power MOSFETs makes AC-DC power supplies more efficient, more compact, lighter and cooler than ever before.