Tube-number record
EF816
0 archive entries
EF816 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Mazda, construction Pentode, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 1.2 W. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassPentode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypePentode
EnvelopeMiniature
SectionsDouble Anode
Filament / Heater
Heater NotesAlimentation du filament en série ou en paralléle
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.2 W
Grid 2 Voltage250 V
Grid 1 Voltage150 V
Cathode Current25 mA
H-C Voltage150 V
Audio Performance
Key Features
- Double anode
- Pente fixe
- Grille-cadre (Frame grid)
- Pente élevée
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 250 V | 8500 | — | — | — |
Application Notes
Conçu pour l'extraction et la séparation des signaux de synchronisation en télévision.
Datasheets
Datasheet: EF816.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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