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R20

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ID = 52466
       
Country:
Great Britain (UK)
Brand: Brimar (STC); Foots Cray
Tube type:  Damper, booster, flyback diode   Power-supply 
Identical to R20
Similar Tubes
Normally replaceable-slightly different:
  KY80 ; U26 ; U49

Base Noval, 9 pin miniature (USA pico-9) B9A Top contact with a cap.
Filament Vf 2 Volts / If 0.35 Ampere / Half indirect
Description EHT rectifier for B/W television sets.
23.5 KV PIV, 60mA peak. 
Information source -- Collector info (Sammler)   

r20_brimar_no.10_p315_pin.png R20: Brimar Valve and CRT Manual No.10
Adrian Riesen


Just Qvigstad
r20_brimar_no.10_p315.png
R20: Brimar Valve and CRT Manual No.10
Adrian Riesen

Usage in Models 1= 1961? ; 2= 1962?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
sh105052.jpg

 

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