Western Electric type 306-A pentode
date: label: date made
content: 1956
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin plastic base with top contact, domed envelope. Donor’s card reads: “Pentode made by the Western Electric Company in 1956 and before for radio and carrier applications. Oxide coated filament 2.75 volts at 2 amps. When used as a Class C amplifier this tube will give an output of 7 watts. 250 volts at 43 milliamps on the plate, amplification factor 250.”
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.325179
label: catalog number
content: 325179
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 3/4 in x 2 in; 14.605 cm x 5.08 cm