18519
0 Tubes in archive
BrandPhilips
ClassRadiation Counter Tube
BaseWire leads
Construction
Primary TypeHalogen-quenched Geiger-Müller tube
EnvelopeGlass
Base MaterialChrome-iron cathode wall
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage675 V
Cathode Current0.05 mA
Audio Performance
Key Features
- High-current halogen-quenched
- Detection of gamma and hard X-radiation
- Chrome-iron cathode wall
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operating Characteristics | 450V | - | 5400000 | - | - |
Application Notes
Background measured with 2 inch lead and 1/4 inch aluminum shielding.
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