Antique radios, Old Time Radios
4049GD
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Country:
Great Britain (UK)
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| Identical to |
4049GD
= 3V/500A
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| Predecessor Tubes |
4049D
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| Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
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| Filament |
Vf 4 Volts / If 11 Ampere / Direct |
| Description |
Mercury Vapour Thyratron for use as a controlled rectifier.
Essentilly a 4049D with a grid and a B4F base.
<20kV PIV. Ipk <5A. Mean Ia <1.25A. Forced air cooling needed at these ratings.
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Dimensions (WHD)
incl. pins / tip |
63 x 270 x mm / 2.48 x 10.63 x inch |
| Weight |
255 g / 8.99 oz |
| Information source |
- - Manufacturers Literature STC Data Sheets
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