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

R281

Information - Help 
ID = 85044
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to R281
Similar Tubes
Normally replaceable-slightly different:
  1562_UX4-pin ; 281 ; 81 ; R81_USA ; UX281
Other base:
  R10M

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct / Specified voltage AC/DC

r281_connections.png R281: My book.
Pier Antonio Aluffi

More ...

Just Qvigstad
r_281_characteristics.png
R281: My book
Pier Antonio Aluffi

More ...
 

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