6660/6BA6
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BrandSylvania
ClassPentode
BaseMiniature Button 7-Pin
Filament6.3V @ 300mA
Construction
Primary TypeSemi-remote cutoff pentode
EnvelopeT-5 1/2
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesDesigned for mobile operation with supply voltage variations
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3.3 W
Grid 2 Voltage330 V
Grid 1 Voltage-55 V
H-C Voltage100 V
Audio Performance
Key Features
- Mobile communications equipment use
- Appreciable on-off cycling capability
- Consistent operation under supply variations
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 100V | 4300 | 250000 | - | 10.8mA |
| Typical Operation 2 | 250V | 4400 | 1000000 | - | 11mA |
Application Notes
Type 6660/6BA6 is designed specifically for mobile operation. It is a T-5 1/2 semi-remote cutoff pentode intended for use as an R-F or I-F amplifier.
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