GE / RCA UX213 "Rectron" rectifier tube
date: label: date made
content: 1924
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 4-pin plastic base with tipless S-shaped envelope. Stamped on base: "Rectron / -UX-874-". Donor's card reads: "Full wave vacuum rectifier made by General Electric Company for the Radio Corporation of America in July 1924. This was the first commercially available full wave rectifier, used in some of the RCA equipment, without too satisfactory a result, and was soon replaced by the UX-280 [catalog number 324415]. Filament: 5 volts at 2 amperes. DC plate capacity, 170 volts at 50 milliamperes. Thoriated tungsten filament. By the end of 1927, the UX-213 tube was no longer listed." See also: https://www.radiomuseum.org/tubes/tube_ux213.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.324404
label: catalog number
content: 324404
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 2 in; 13.335 cm x 5.08 cm