RCA type 809 power triode
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 4-pin plastic base with top contact, domed envelope. Stamped on base: “Electron / Tube / [RCA logo]”. Donor’s card reads: “Power triode made by the Radio Corporation of America. Thoriated tungsten filament, used as a radio frequency amplifier and oscillator at full power up to 60 megacycles. Filament 6.3 volts at 2.5 amperes, for Class C use 1000 volts on the plate and a 200 volt negative control grid bias will give and output of about 75 watts.”
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.324972
label: catalog number
content: 324972
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: 6 1/4 in x 2 1/2 in; 15.875 cm x 6.35 cm