Item ST 22547.2 Electronic Valve - Tung-Sol, Pentode, Type 954, 1935-1945

Summary

Pentode designed for use at frequencies up to 400 MHz. Manufacturer: Tung-Sol Lamp Works, Newark, NJ, USA.
This valve is referred to as an acorn valve/tube due to its shape.
Ultra high frequency operation is made possible by the very small electrode structure and the short leads made possible by the radial construction.
6.3 volt indirectly heated cathode.

Physical Description

Tubular bulb with five radial pins and a pin at each end