radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

2C21

Information - Help 
ID = 13224
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  Double Triode   VHF 
Identical to 2C21 = 1642 = 2C21/1642 = 38233
Similar Tubes
Normally replaceable-slightly different:
  RK33
First Source (s)
06.Nov.1942 : Electron Tube Registration List rec. 310
Base 7-Pin-Base-general, old, USA (Codex=Mb) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC
Description

Double triode intended for operation as low-power class-C amplifier or oscillator at frequencies up to 60MHz.
Registration assigned to Raytheon, with specs similar to those of the developmental RCA 1642.

 
Dimensions (WHD)
incl. pins / tip		 x 113 x 34 mm / x 4.45 x 1.34 inch
Weight 38 g / 1.34 oz
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 82, 167 182
Tube Lore (I)   
Taschenbuch zum Röhren-Codex 1948/49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
2c21.png
2C21: Mia raccolta schemi.
Pier Antonio Aluffi
2c21_sock.png 2C21: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
More ...
 2c21-1642_1_2.png
2C21: Manufacturer's Literature
Emilio Ciardiello
More ...

Collection of

Andreas Schmack (D)
 
2c21_1642_1.jpg

 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information