Tube-number record
GL-441
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BrandGeneral Electric
ClassPhototube
BaseSubminiature
Construction
Primary TypeHigh-vacuum phototube
EnvelopeT-9
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- High sensitivity to light sources predominating in blue radiation
- Excellent stability
- High sensitivity
- Two-electrode structure
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 250 V | — | — | — | 0.0001 mA |
Application Notes
Particularly suitable for measurement and relay applications due to its stability and high blue sensitivity.
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