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EY91

Information - Help 
ID = 3742
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to EY91 = CV135 = DDR3
First Source (s)
25.Aug.1949 : - - Manufacturers Literature Philips
1948 : - - Manufacturers Literature Mullard

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.42 Ampere / Indirect / Parallel, (AC/DC)
Description U-inp rms = 250 V AC max.
R-inp = 75 Ohms min.
I-dc = 75 mA max.
I^-dc = 375 mA max.
C-inp = 32 µF max.
V^-invers = -700 V max.
 
Text in other languages (may differ)
Tube prices 2 Tube prices (visible for members only)
  ey91.png
  EY91: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ey91_36rm400d.jpg
EY91: Collection JR
Jacob Roschy

 
mi32.png
EY91: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ey91_mullard_data_02.png
EY91: Mullard-original papers
Bernd Staginnus


Usage in Models 1= 1951

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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