Tube-number record
6DY4A
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BrandSYLVANIA
ClassReceiving Tube
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 125 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
Base MaterialGlass
SectionsSingle
Filament / Heater
MaterialCoated Unipotential
Heater NotesParallel operation
Absolute Maximum Ratings
Plate Voltage135 V
Plate Dissipation1.5 W
Grid 1 Voltage-50 V
Cathode Current20 mA
H-C Voltage50 V
Audio Performance
Key Features
- Strap frame grid
- High efficiency
- High Gm
- Medium mu
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 90 V | 11000 | — | 28 | 10 mA |
| Oscillator at 960 Mc | 135 V | — | — | — | 11.5 mA |
Application Notes
Intended for VHF oscillator service. High figure of merit (Gm x mu) permits oscillation at low plate power.
Datasheets
Datasheet: 6DY4A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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