Antique radios, Old Time Radios
U49
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Country:
Great Britain (UK)
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| Identical to |
U49
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| Similar
Tubes |
Normally replaceable-slightly different:
R20
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.35 Ampere / Half indirect |
| Description |
Flyback rectifier.
<23.5kV PIV
<80mA pk, 0.2mA mean.
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Dimensions (WHD)
incl. pins / tip |
21 x 69 x mm / 0.83 x 2.72 x inch |
| Information source |
- - Manufacturers Literature Data sheet issue 1 March 1958
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U49: rtt
Anonymous 10 Collector
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
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| Data Compliance |
More Information |
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