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DB3

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ID = 29790
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Triode, vacuum 
Identical to DB3

Filament Vf 1.5 Volts / If 0.07 Ampere / Direct
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 82
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db3_characteristics.png
DB3: My schematic collection.
Pier Antonio Aluffi

 

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