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2509A5

Información - Ayuda 
ID = 37552
       
País:
Estados Unidos
Marca: DuMont Labs, Allen B., Inc.
Tipo:  CRT (cathode ray tube) 
Idéntica a 2509A5
Fuente principal (es)
Nov.1941 : Electron Tube Registration List

Base 7-Pin-Base-general, old, USA
Filamento Vf 2.5 Volt / If 2.1 Ampere / Half indirect
Descripción 5" medium-persistance green fluorescent CRT intended for oscillographic. Electrostatic focus and deflection. Each pair of deflection plates has one connected to one side cap and the opposite to the base. Typical operation: 500V on A1, 1500V on A2, -80V grid cutoff. 
Literatura -- Original-techn. papers.   Electronics, Jan. 1942
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