600 V / 10 A — what this FET was designed for
Gate charge and capacitance — the switching budget
With a typical gate charge of 31 nC at 10 V and an input capacitance of 850 pF at 50 V drain bias, this FET is moderate-speed — not a fast-switching GaN competitor, but well within the range for 50-150 kHz hard-switched flyback and PFC stages. The 4 V typical gate threshold (max 4 V at 250 µA) means a standard 10 V gate drive is needed to hit the rated Rds(on); a 5 V logic-level drive will leave significant on-resistance margin unutilized.
The STF11NM60N lifecycle status is Obsolete. New-production units are not available from the factory. Sourcing is limited to verified inventory held by independent distributors.
