fqpf9n90ct.pdf datasheet:

TMQFETFQP9N90C/FQPF9N90C900V N-Channel MOSFETGeneral Description FeaturesThese N-Channel enhancement mode power field effect 8.0 A, 900V, RDS(on) = 1.4 @VGS = 10 Vtransistors are produced using Fairchilds proprietary, Low gate charge ( typical 45nC)planar stripe, DMOS technology. Low Crss ( typical 14pF)This advanced technology has been especially tailored to Fast switchingminimize on-state resistance, provide superior switching 100% avalanche testedperformance, and withstand high energy pulse in the Improved dv/dt capabilityavalanche and commutation mode. These devices are wellsuited for high efficiency switched mode power supplies. DG