Gate charge and switching speed — 120 nC is manageable
That gate charge number tells you the driver needs to source about 120 nC per switching cycle.
Through-hole TO-220AB — board-level fit
The IRFB4115PBF comes in a TO-220-3 through-hole package, supplier device code TO-220AB. Three leads, mounting hole for a heatsink.
Active, ROHS3, no obsolescence concern
No last-time-buy notice, no NRND flag. The series is the long-running HEXFET family, broadly second-sourced and well-characterised.
