FQA11N90 / FQA11N90_F109 is a N-Channel MOSFET with a maximum voltage of 900V and a rated current of 11.4A. It features low gate charge, low gate resistance, low gate reverse capacitance, fast switching, 100% avalanche tested, improved dv/dt capability, etc. It is suitable for high efficiency switched mode power supplies, active power factor correction, and electronic lamp ballast based on half bridge topology.