BaodingBT151 (TO-220)

● Product Features and Main Applications: A silicon unidirectional device with a four-layer PNPN structure; featuring proprietary single-sided groove‑etching technology and mesa glass passivation; with multi‑layer metallized electrodes on the back side; offering high blocking voltage and excellent thermal stability; primarily used in motor speed controllers for vacuum cleaners, power tools, and similar applications; solid‑state relays; heating controllers (temperature regulation); and other phase‑control circuits.