Sylvania type 12B4 low-Mu triode
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 9-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: "12B4”. Donor’s card reads: “Low-Mu triode made by Sylvania. Has a high perveance used as vertical deflection amplifier in television receivers having series connected heater strings. Center tapped heater arranged for either 6.3 or 12.6 volt operation at .6 or .3 amperes, respectively. Plate voltage for average operation, 150 volts at 10 milliamps, with a 32 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_12b4.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.324835
label: catalog number
content: 324835
label: model number
content: 12-B-4
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: 2 5/8 in x 3/4 in; 6.6675 cm x 1.905 cm