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2101

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ID = 10858
       
Country:
United States of America (USA)
Brand:
Developer: Philco, Philadelphia Stg. Batt. Co.; USA 
Tube type:  Vacuum Pentode   Power/Output 
Identical to 2101
Similar Tubes
Normally replaceable-slightly different:
  PP2101
Other base:
  1F5G

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.12 Ampere / Direct / Battery =
Description

Power output 0.45W.Used in the British Philco model 233G farm radioListed on pages 14, 147 & 159 of "Tube Lore II"
This tube is double branded Philco (manufcturer) and Brimar (seller) In one tube found, there is evidence of rthe Philco name being sanded off.

 
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 48 g / 1.69 oz
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 202, p. 196
Babani, International Radio Tube Encyclopaedia   p. 38 & 39
Taschenbuch zum Röhren-Codex 1948/49
British Radio Valves - The Classic Years: 1926-1946

450_2.png 2101: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
2101_brimar_radio_valve_manual_1947_48_p1_data_pin.png
2101: Brimar Valve Manual 1947-8
Adrian Riesen

More ...
Usage in Models 3= 1934

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

Collection of

 
brimar_2101_tube_2_fs.jpg

2101
 

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