Antique radios, Old Time Radios
DR2,5/20
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Country:
Poland
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| Identical to |
DR2,5/20
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| Similar
Tubes |
Other base:
DR2,5/20E
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| Base |
Pin-and-blade jumbo (3 contacts)
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 5 Volts / If 11 Ampere / Direct / Specified voltage AC/DC |
| Description |
Half wave mercury vapour rectifier
Iav < 2.5A; V <20kV
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Dimensions (WHD)
incl. pins / tip |
69 x 380 x mm / 2.72 x 14.96 x inch |
| Weight |
210 g / 7.41 oz |
| Information source |
- - Manufacturers Literature Catalogue 1964
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Just Qvigstad
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