Lansdale / Philco type 1B3GT diode rectifier
date: label: date made
content: ca 1948
name: label: maker
content: Lansdale Tube Company
notes: label: Description (Brief)
content: A 5-pin plastic base with center post, top contact, T-shaped envelope. Donor’s card reads: “Diode rectifier made by Lansdale Tube Co. for the Philco Corporation. Similar to and interchangeable with the GE type 1-B-3-GT and RCA type 1-B-3-GT tubes [catalog numbers 324473 and 324831] though all three show physical variations. Filament: 1.25 volts at .2 ampere. Operates in either radio frequency of fly-back type of power supply on frequencies of 1.5 to 100 kilocycles. Will handle 33000 volts at 1 milliamp.” See also: https://www.radiomuseum.org/tubes/tube_1b3gt.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.324832
label: catalog number
content: 324832
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 1 1/4 in; 9.525 cm x 3.175 cm