Summary
UX200A triode, branded RCA Radiotron, made in the United States.
The valve was used as a radio detector.
This triode was known as a 'soft' tube; the bulb contained Caesium vapour at very low pressure.
Filament battery voltage is 6 volts. Filament terminal volts is 5 volts. Filament consumption is 0.25 amp. Plate voltage maximum is 45 volts.
Physical Description
Bulb on 4 pin base.
More Information
-
Collection Names
-
Collecting Areas
-
Acquisition Information
Donation from Mr Finlayson (Fin) Stewart, 14 Jun 1973
-
Manufactured For
Radiotron (RCA), United States of America, 1926-mid 1927
Manufactured by General Electric. -
Inscriptions
On top of bulb: RCA trademark. On base: RADIOTRON UX 200-A
-
Brand Names
-
Classification
-
Category
-
Discipline
-
Type of item
-
Overall Dimensions
115 mm (Length), 45 mm (Outside Diameter)
-
Keywords