GE / RCA type UX216B "Rectron" rectifier tube
date: label: date made
content: ca 1926
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: Plastic 4-pin base with tipless, S-shaped envelope. Stamped on base: "Rectron / .UX216B". Donor's card reads: "Half wave vacuum rectifier made by General Electric Company for the Radio Corporation of America, September 1925. An improved version of the original UV-216 [catalog number 324349] which was part of the original RCA line of tubes. Filament: 7.5 volts at 1 ampere. DC plate output, 350 volts at 60 milliamperes. Thoriated tungsten filament. In its day, one of the best rectifiers available for low powered transmitters and power amplifiers. Generally used in pairs to give full wave rectification." See also: Tyne, "Saga of the Vacuum Tube," page 323; https://www.radiomuseum.org/tubes/tube_ux216b.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.324405
label: catalog number
content: 324405
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 2 in; 13.97 cm x 5.08 cm