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U45

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ID = 76998
       
Country:
Germany
Brand: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin
Tube type:  Space Charge Tetrode 
Identical to U45

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 1.5 Volts / If 0.045 Ampere / Direct
Description

S= 0,29 mA/V , d= 20 % , Ua= 3-60 V , Ri= 17200 Ω

 
Dimensions (WHD)
incl. pins / tip
35 x 87 x mm / 1.38 x 3.43 x inch
Weight 26 g / 0.92 oz


Just Qvigstad

Collection of

Collection of a member from D
 
ultra_u45.jpg

 

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