RCA UV-205 "Radiotron" transmitting triode
date: label: date made
content: ca 1922
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: An air-cooled transmitting triode with metal shell base with 2-pins and blade, top cap contact, another contact on a stem extending from the side of the tube between the sphere and the base, spherical envelope. Donor card reads: "Triode, made for the Radio Corporation of America in the 1921-1923 period. This model was not successful and was not carried into extensive production. Known as a Radiotron, this tube is serial number 2566. It was also designated as CG-916 and as VT-10 by the US government. Thoriated tungsten filament, 20 volts at 3.85 amps; plate dissipation, 250 watts. With 1500 volts DC on the plate the characteristics are as follows (Grid bias / plate mA): +15 / 235; 0 / 182; -15 / 130; -30 / 77; -45 / 25. With 200 volts on the plate: -120 / 0 to 12; 0 / 220 to 330." See also: https://www.radiomuseum.org/tubes/tube_uv205.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324353
label: catalog number
content: 324353
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 15 1/2 in x 6 in x 4 3/4 in; 39.37 cm x 15.24 cm x 12.0396 cm