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4642

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ID = 50834
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 4642
Similar Tubes
Other base:
  MC1/50
Base Medium 4-pin, ceramic disc
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip		 51 x 180 x 47 mm / 2.01 x 7.09 x 1.85 inch
Information source -- Schematic   Röhren-Codex 1951
-- Collector info (Sammler)   
4642_sock.png 4642: Röhren-Codex 1951
Anonymous 15 Collector

Just Qvigstad
Usage in Models 2= 1935??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

Peter den Boer (NL)
Collection of a member from D
Alexander Hofer (A)
 
4642philips.jpg

4642
 
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