Tube-number record
18550
0 archive entries
18550 is a tube type in the TubeDatabase archive (class: Radiation Counter Tube). Recorded specifications: brand PHILIPS, construction Other / special, base 28% chromium, 72% iron, and maximum plate voltage 700 V. The archive does not yet hold a photographed example of this type.
BrandPHILIPS
ClassRadiation Counter Tube
Construction
Primary TypeOther / special
EnvelopeThin wall metal/glass
Base Material28% chromium, 72% iron
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage700 V
Audio Performance
Key Features
- Thin wall halogen quenched
- Beta radiation detection
- Gamma radiation detection
- Short dead time
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radiation Counting | 600 V | — | 5000000 | — | — |
Application Notes
In order to prevent leakage the tube should be kept dry and well cleaned. Because of the small thickness of the cathode wall, the tube should be handled with utmost care.
Datasheets
Datasheet: 18550.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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