600 V N-channel MOSFET in the FDmesh™ II family
The STP23NM60ND: It is rated for a drain-to-source voltage of 600 V and a continuous drain current of 19.5 A at a case temperature of 25°C.
Key ratings for the BOM decision
The 600 V drain-source breakdown voltage suits power-factor-correction stages, flyback converters, and two-switch forward topologies in off-line supplies. The 19.5 A continuous drain rating at 25°C case temperature must be derated as the case temperature rises; the maximum junction temperature is 150°C.
Obsolete — plan the replacement now
For a production BOM, you will need to qualify a replacement. The official successor is not recorded in the available lifecycle data, so treat this as a last-time-buy or replacement-qualification situation.
Sourcing is through independent distributors who hold surplus inventory or can locate stock from the open market.