O'Neill's Electronic Museum

Penn Valley California

Vacuum Tube Museum

Blue Dot Group

Full and Half Wave Rectifiers (Diodes)
1917 to 1953

TS means the Translation is Suspect
All Italics Mine- KO

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1917 Tungar (General Electric) The first rectifier tube for battery charging. Because of heating above socket a higher current is realized. The anode is covered with a wire mesh.
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1923 Philips 367 Full Wave Rectifier
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1921 Rectron R220 Half Wave Rectifier. The tube was evacuated through the pip at the top.
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1925 Philips DCG/250 Half Wave Rectifier filled with mercury vapor
pic
1926 Philips 1326 Full Wave Rectifier filled with argon.
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1928 Philips 506 Full Wave Rectifier with special socket with warning lamps
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1929 General Electric 80 Full Wave Rectifier
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1932 National Union 82 Full Wave Rectifier
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1933 Telefunken RGN 2004 Full Wave Rectifier Fine mesh anode for better cooling.
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1933 Raytheon B-A Full Wave Rectifier. An attempt to build a Full Wave Rectifier without heating the cathode. Translation is suspect.
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1933 RCA 83 Full Wave Rectifier with mercury vapor.
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1935 Sylvania 83V Full Wave Rectifier In certain applications the tube produced strong current.
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1935 General Electric 866 Half Wave Rectifier first transmitter tube to achieve 2 Kilo Watts. With Mercury Vapor
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1940 KB/EA CV74 This is a sample built for the English Army. There was high demand due to the invention of Radar. These were used in the first Radar Pulser.
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1942 Brown Boveri Baden DQ2 With the blitz beginning the BBC had reproductions of the 866 made in Baden Switzerland (translation suspect)
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1943 National Union 371 A VT 166 Made for the US Radar Stations. High Voltage Half Wave Rectifier With Special Socket
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1950 Raytheon 6X5 Full Wave Rectifier with octal socket. Replacement for the large type 80.
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1953 Ken-Rad ST4 Full Wave Rectifier made completely of metal.
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1946 RCA 2X2 As TV's and oscilloscopes grew bigger the need for these High Voltage Rectifier tubes arose.
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1947 Telefunken EY88 Half Wave Rectifier adjusted for a 9 pin socket


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