CK5972
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BrandRaytheon
ClassSubminiature Pentode
BaseStandard inline subminiature
Construction
Primary TypePentode
EnvelopeT-2X3 Glass
Base MaterialGlass
SectionsSingle
Filament / Heater
MaterialTinned flexible leads
Absolute Maximum Ratings
Plate Voltage75 V
Grid 2 Voltage75 V
Audio Performance
Key Features
- Remote cut-off
- Fully-shielded
- Flexible terminal leads
- Economy of battery drain
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 45V | 1100 | 800000 | - | 1.5mA |
| Class A1 Amplifier | 67.5V | 1300 | 1000000 | - | 2.5mA |
Application Notes
Bulb is entirely coated with a metallic shield connected to Lead 3. Grid #3 is composed of two deflector plates.
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