Do not assume any STK with similar numbers is pin-compatible. Always compare datasheets.
The STK 432-050 is designed for integration into audio power supply modules, offering a balance between power output and thermal efficiency. Sanyo / ON Semiconductor Package Type HYB-14 (14-pin Hybrid) Operating Temperature -40°C to +105°C Output Power Typically 50W per channel (depending on configuration) Circuit Class Substrate Technology IMST (Insulated Metal Substrate Technology) Features and Benefits stk 432-050 datasheet