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VT-255

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ID = 8439
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to VT-255 = RK705A = 705A = 378A_WE
Similar Tubes
Other class quality (otherwise equal):
  705WA

Base Medium 4-pin, ceramic disc (Codex=Bv)
Was used by Radar
Filament Vf 5 Volts / If 5 Ampere / Direct / Specified voltage AND current AC/DC
Dimensions (WHD)
incl. pins / tip
x 124 x 57 mm / x 4.88 x 2.24 inch
Weight 98 g / 3.46 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 71

rk705a_so_1.png VT-255: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad

Collection of

 
705a_01_vt255~~1.jpg

VT-255
 

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