This document provides specifications for the 2SC3199 NPN plastic-encapsulated transistor. It can handle currents up to 0.15 amps and voltages up to 50 volts. The transistor has a high current capability and gain, and is packaged small. It is suitable for applications such as audio amplifiers and AM amplifiers. Electrical characteristics including breakdown voltages, current gains, saturation voltages and frequencies are provided. Physical dimension specifications and characteristic curves are also included.