Raytheon RK3B26 half-wave rectifier tube
Datecirca 1935
Inventory NumberVT0100
ClassificationVacuum Tube
Maker
Raytheon Manufacturing Company
founded 1925
Cultural Region
Place of Origin
Dimensions10.8 × 3.2 × 3.2 cm (4 1/4 × 1 1/4 × 1 1/4 in.)
DescriptionDiode with plate cap, octal base, locator pin at center of socket pins.
This tube is known as a clipper diode. The tube is built mechanically rugged using harden glass nonex envelope and the plates are gold plated and zirconium for better operation at high voltage.
This tube is known as a clipper diode. The tube is built mechanically rugged using harden glass nonex envelope and the plates are gold plated and zirconium for better operation at high voltage.
Signedprinted on base in white: RAYTHEON / 3B-26 / MADE IN U.S.A.
Inscribedprinted in white on base: 35
printed in yellow on base: SC795A
printed in white on base: C9779
FunctionPower Supply
Harvard Cyclotron Laboratory
Date: 1947-2002
Object number: 2003-1-0291
Raytheon Manufacturing Company
Date: 1933
Object number: VT0105
Sylvania Electric Products, Inc
Date: 1943-1948
Object number: VT0116
Sylvania Products Company
Date: circa 1943
Object number: VT0722
Hickok Electrical Instrument Company
Date: 1955-1965
Object number: 1998-1-0879
