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CK5687

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ID = 29570
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Double Triode 
Identical to CK5687 = CV2578 = 5687
Similar Tubes
Other class quality (otherwise equal):
  CK5687WA

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.8 Ampere / Indirect
Description Dual triode for computer use. Heaters can be series connected, 12.6V, 0.4A.
Note the unusual base connections, with the heater center tap to pin 8 and the anode of second triode to pin 9. 
Text in other languages (may differ)
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 271
- - Manufacturers Literature   
Tube Lore (I)

ck5687_so.png CK5687: rtt
Anonymous 10 Collector

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Just Qvigstad
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CK5687: Manufacturer's Literature
Emilio Ciardiello

 

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