Antique radios, Old Time Radios
RTR4142
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Country:
Sweden
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| Identical to |
RTR4142
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Filament |
Vf 5.25 Volts / If 0.38 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Typ Ia=15mA; gm=2.7mA/V at Va=Vs=130V and -Vg=8V.
Va =400V max; Vs =300V max.
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Dimensions (WHD)
incl. pins / tip |
40 x 113 x mm / 1.57 x 4.45 x inch |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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Just Qvigstad
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Collection of
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| Data Compliance |
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