Gate charge and switching frequency — sizing the driver
The STWA48N60M2: Total gate charge is 70 nC at 10 V.
Through-hole TO-247 — thermal and mechanical fit
The TO-247-3 through-hole package with long leads (supplier device package: TO-247 Long Leads) is a standard power package for heatsink mounting. The long-lead variant provides extra stand-off height for better clearance under the package or for mounting on a thick heatsink.
It is ROHS3 compliant.
