This document provides specifications for the 2SC1172 planar silicon transistor, intended for use in color TV horizontal output applications without a damper diode. Key specifications include a high collector-base voltage rating of 1500V and high-speed switching capability. The document lists absolute maximum ratings and typical electrical characteristics, such as a collector cutoff current of 1.0mA, DC current gain of 100, and collector-emitter saturation voltage of 1.0V at 4A of collector current. It also provides contact information for the manufacturer.