The CDIL BC303 Transistor is a high-performance, long-life NPN type bipolar junction transistor. It is designed for use in audio, radio, switching, and general purpose applications. It has a high breakdown voltage of 40V, a high current gain of 400, and a low collector-emitter saturation voltage of 1.3V. It also has excellent thermal stability and reliability. The CDIL BC303 Transistor is available in TO-92, TO-126, and TO-220 packages.