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HF140

Informazioni - Aiuto 
ID = 15882
       
Stato:
USA (Stati Uniti d'America)
Produttore: Amperex; New York
Tipo:  Triodo trasmittente, raffr. ad aria   Power/Output 
Identico a HF140
Valvole simili
Sostituita normalmente - piccola diff.:
  211D ; HF120
Zoccolo Jumbo 4-pin bayonet (1918)
Utilizzata per Transmittertube (Radio)
Filamento Vf 10 Volt / If 3.2 Ampere / Direct / Specified voltage AC/DC
Descrizione

Thoriated-tungsten filament, convection cooled. 75W typical, 100W max plate dissipation; mu 12.5. The production of this tube was discontinued and HF-120 was given as substitute. Dual marking HF-140/211D.

 
Peso 227 g / 8.01 oz
Bibliografia Babani, International Radio Tube Encyclopaedia   P. 204 & 205
- - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49
vt4c_24.png HF140: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad 		hf140211d_ax_1.png
HF140: Manufacturer's Literature
Emilio Ciardiello
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