radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

1H33

Information - Help 
ID = 19730
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to 1H33 = 1R5SF = EP203
Similar Tubes
Heater different:
  1H34 ; 1R5 ; 1R5T ; DK91

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery =
Description

Ua 90V, Ug3 -0.5V, Ug2+4 67.5V, Ug1 -0.5V, Ia 3.2 mA, Ig2+4 4 mA, Sg1/g2+g4 > 0.45 mA/V, Ri > 250 kOhm

 
Dimensions (WHD)
incl. pins / tip
19 x 49 x mm / 0.75 x 1.93 x inch
 
tesla_1h33_cs.jpg
1H33: GR
Georg Richter

 
595_3.png
1H33: Telefunken Werkstattbuch
Wolfgang Bauer

 
1h33_spec.png
1H33: data-sheet
Anonymous 15 Collector


Usage in Models 1= 1951 ; 1= 1954?? ; 1= 1957 ; 2= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5


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]
  
rmXorg