Antique radios, Old Time Radios
1P42
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Country:
United States of America (USA)
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| Identical to |
1P42
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| First Source
(s) |
03.Jul.1950 : -- Original-techn. papers.
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| Filament |
--/-- |
| Description |
Small head-on type having a S-9 spectral response. Wavelength of maximum spectral response is 4800 +/- 500 angstroms. This type makes use of a flat circular photocathode, and has a direct interelectrode capacitance of 0.9 picofarad. Anode-Supply voltage DC/peak AC 180 volts. Small end is Anode. Large end is Cathode.
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Dimensions (WHD)
incl. pins / tip |
6 x 36 x mm / 0.24 x 1.42 x inch |
| Weight |
3 g / 0.11 oz |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature RCA Phototubes and Photocells PT-60
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1P42: elektron taschenbuch 1952
Heinz Höger
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1P42: RCA
Patrice Zeissloff
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Collection of a member from CH |
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