1x MS1051 Microsemi RF & Microwave Transistor - HF SSB Application
The MS1051 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for HF communications. This device utilizes state-of-the-art diffused emitter ballasting to achieve extreme ruggedness under severe operating conditions
Used as final stage in productions of RM-types: KL200, KL200P, KL300, KL300P, KL400, KL500, HLA150, HLA300
