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5R4

Information - Help 
ID = 7348
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 5R4
Similar Tubes
Normally replaceable-slightly different:
  U77

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Filament Vf 5 Volts / If 2 Ampere / Direct /
Description There is no metal tube 5R4, see under 5R4G, -GA, -GB, -GY, -WG, etc. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
39 x 120 x mm / 1.54 x 4.72 x inch
Weight 48 g / 1.69 oz
Tube prices 0 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  5r4.png
  5R4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
usa_chatham_electronics_5r4wgb_front.jpg
5R4: Personal tube collection
Benjamin Hall

 
sockelbild5r4gy.png
5R4: Aus der "Vademecum1948" von P.H.Brans
Willy De Grande

 
5r4_dat.png
5R4: elektron taschenbuch 1952
Heinz Höger


Usage in Models 1= 1945?? ; 1= 1948?? ; 1= 1948? ; 1= 1949?? ; 1= 1951?? ; 1= 1952?? ; 1= 1954 ; 1= 1955?? ; 1= 1955? ; 1= 1956?? ; 1= 1956 ; 1= 1958 ; 1= 1960?? ; 3= 1961??
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16

5R4*Box
   

Forum contributions about this tube
5R4
Threads: 1 | Posts: 2
Hits: 1661     Replies: 1
5R4
Willy De Grande
15.Oct.05
  1

Herren Admins,

Weitere info:HEIZ  5v-2a ;Ann.span.5R4-900v-150mA : 5R4GYB-950V-178mA
B,dia 39mm ;  H=120mm Gew =48 gramm
Grüse aus Brügge
Willy De Grande 

Hans-Thomas Schmidt
16.Oct.05
  2 Danke, die Einträge wurden vorgenommen,

Gruß, HTS.
 
5R4
End of forum contributions about this tube

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