RCA type 5642 half-wave vacuum rectifier
date: label: date made
content: 1960
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A small double-ended glass tube with a single contact on one end, two leads on the other. Stamped: “5642”. Donor’s card reads: “Half-wave vacuum rectifier by the Radio Corporation of America in 1960 for compact portable high voltage rectifier applications, sometimes used as a pulsed rectifier in TV applications. Anode lead on top, filament leads on the bottom. Oxide coated filament 1.25 volts at .2 ampere. Typical operation with a 525 line picture, 8000 volts peak pulse plate voltage for 1 tube, 12000 for 2 tubes at .15 milliamps. See also: https://www.radiomuseum.org/tubes/tube_5642.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.325205
label: catalog number
content: 325205
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 5/8 in x 3/8 in; 9.2075 cm x .9525 cm