RCA type 810 transmitting triode
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A metal 4-pin base with ceramic insulators, top contact, side contact, T-shaped envelope. Stamped: “RCA”. Donor’s card reads: “Triode made by the Radio Corporation of America for transmitting purposes. A high Mu type, operates at high plate efficiency with relatively low plate voltage. The heavy duty thoriated tungsten filament is shielded at both ends to eliminate loss from electron bombardment. Filament: 10 volts at 4.5 amperes. Plate lead is brought out the top, the grid out the side of the envelope. Can be used at full power up to 30 megacycles. For Class C radio frequency amplifier use; 2000 volts at 250 milliamperes on the plate, 350 volts negative control grid bias, 35 watts of drive for an output of 380 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.324521
label: catalog number
content: 324521
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: 8 1/2 in x 3 1/2 in x 2 1/2 in; 21.59 cm x 8.89 cm x 6.35 cm