GL-917
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BrandGeneral Electric
ClassPhototube
BaseSmall 4-Pin
Construction
Primary TypeHigh-vacuum phototube
EnvelopeT-9
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage500 V
Audio Performance
Key Features
- High sensitivity in the red and infrared regions
- High resistance to leakage current
- Stability of operation
- Two-electrode high-vacuum type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Luminous sensitivity test | 250V | - | - | - | - |
Application Notes
The GL-917 is a two-electrode high-vacuum phototube for measurement and relay applications. The anode is connected to the top cap. It may be used in series with the GL-919.
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