With the combination of electroacoustic technology, sptech provides comprehensive transistor solutions for various audio manufacturers, with the shapes of TO-251, TO-252, TO-263, TO-126, TO-220, TO-3p, TO-3pl, TO-3, and the maximum power of 250W.
The 2SC5200 2SA1943 independently developed by sptech perfectly replaces the Japanese Toshiba brand.
NJW3281G/ NJW1302G  MJW3281Aa / MJW1302A MJW0281A / MJW0302A NJW0281G / NJW0302G perfectly replace the imported ON scheme.
MN1526 / MP1526 is a perfect alternative to Japan's imported three reclamation plan.