7B6
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BrandSylvania
ClassDUODIODE HIGH-MU TRIODE
BaseLock-In 8 Pin
Filament7V @ 0.32mA
Construction
Primary TypeDuodiode High-Mu Triode
EnvelopeT9
SectionsTriode, 2 Diodes
Filament / Heater
Heater NotesNominal ratings; Typical operation uses 6.3V
Absolute Maximum Ratings
Plate Voltage300 V
H-C Voltage90 V
Audio Performance
Key Features
- Detector audio amplifier service
- Common cathode structure
- Independent diodes
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 100V | 900 | 110000 | 100 | 0.4mA |
| Triode Section | 250V | 1100 | 91000 | 100 | 0.9mA |
Application Notes
Suitable for detector audio amplifier service in AC or auto receivers. For AC-DC receivers, types 7C6 or 14B6 with lower heater current are recommended.
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