RCA type UX200 "Radiotron" triode
date: label: date made
content: 1925
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: RCA Radiotron type UX-200 triode. Plastic 4-pin base with S-shaped glass envelope. A 4-pin triode detector, filament volts: 5, filament amps: 1, plate voltage: 15-25. Reference: Tyne, "Saga of the Vacuum Tube," pages 308-312, 322; https://www.radiomuseum.org/tubes/tube_ux200.html.
label: Description (Brief)
content: Donor card reads: "Made for the Radio Corporation of America in the late 1920s for use as a detector tube in battery operated receivers. Similar in all respects to [catalog number 324370] except for the long pin base. This tube was discontinued in the early 1930s as unsatisfactory."
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.324371
label: catalog number
content: 324371
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: 4 1/4 in x 1 5/8 in; 10.795 cm x 4.1275 cm