Antique radios, Old Time Radios
S412N
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Top contact screw type.
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Va = 200V, Ia = 1,5mA
Vg1 = -1,3V, Vg2 100V
Ig2 = 0,6mA, S = 0,9ma/V
Verst. faktor 700
Ri = 0,8M, Pa 1,0W
Cag1 0,003nF
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S412N: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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S412N: Triotron Röhrenkatalog von 1942
Wolfgang Bauer
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Collection of
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