We have no details on this exhibit. But one equivalent triode is the TD03-5 which suggests that it has a 5 Watt dissipation. The similiar TD03-10 has a 10 Watt dissipation.

This physically small disc seal valve has co-axial connections. The heater and cathode are opposite the main envelope. The grid has a circular connection to the flat internal metal mesh. The anode appears to be copper and has a flat surface facing the grid.

A grounded grid configuration would allow for a two cavity mechanical design.

The planar envelope is 15 mm in diameter and, tip to tip is 60 mm tall.

This exhibit was last updated on 07 April 2008