The MS1051 from Microsemi is a Class C epitaxial silicon NPN planar transistor that operates from 1 MHz to 30 MHz. It has a gain of 12 dB, an IMD of -30 dBc and provides an output power of 100 W. This transistor utilizes state-of-the-art diffused emitter ballasting to achieve extreme ruggedness under severe operating conditions. It requires a supply of 12.5 V and is ideal for HF communications.
