Tube-number record
6T4
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BrandSYLVANIA
ClassUHF Oscillator Triode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 225 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
SectionsSingle
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation3.5 W
Cathode Current30 mA
H-C Voltage50 V
Audio Performance
Key Features
- Low mu triode
- UHF oscillator in television receiver tuners
- Miniature button 7-pin base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 80 V | 7000 | 1860 | 13 | 18 mA |
| Oscillator at 950 Mc | 80 V | — | — | — | 18 mA |
Application Notes
The Sylvania 6T4 is a miniature low mu triode intended for service as a uhf oscillator in television receiver tuners.
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