Antique radios, Old Time Radios
4409_Photocell
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Country:
United States of America (USA)
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| Identical to |
4409_Photocell
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| Filament |
--/-- |
| Description |
Side-on type having unobstructed photocathode area and S-4 response. Wavelength of maximum spectral response is 4000 +/- 500 angstroms. This type makes use of a semicylindrical photocathode, and has a direct interelectrode capacitance of 2.4 picofarads.
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Dimensions (WHD)
incl. pins / tip |
33 x 81 x mm / 1.30 x 3.19 x inch |
| Weight |
26 g / 0.92 oz |
| Information source |
- - Manufacturers Literature
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Collection of
Collection of a member from FIN |
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