Antique radios, Old Time Radios
5581
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Country:
United States of America (USA)
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| Identical to |
5581
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| Filament |
--/-- |
| Description |
Gas photodiode. Side-on type having S-4 response. Wavelength of maximum spectral response is 4000 +/- 500 angstroms. Makes use of a semicylindrical photocathode, and has a direct interelectrode capacitance of 2.6 picofarads.
Outline and terminal connection same as 1P40.
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| Weight |
26 g / 0.92 oz |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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5581
Dirk Taekels
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5581
Dirk Taekels
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