UY-Base, 5 Pins (USA, April 1927) (Codex=Hrb)
Top contact with a cap.
Filamento
Vf 10 Volt / If 3.25 Ampere / Direct
Descrizione
Beam type aligned grid tetrode capable of 50W plate dissipation. Full ratings operation up to 30MHz; operation up to 60MHz possible with plate voltage not exceeding 900V. Beam version of RK20A.
Bibliografia
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
Tube Lore (I)
RK47: ARRL Handbook 1972
Anonimo 10 Collezionista
Just Qvigstad
RK47: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez
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