Antique radios, Old Time Radios
Ste1000/2,5/15
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Country:
Germany
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| Identical to |
Ste1000/2,5/15
= ST57
= PL57
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| Base |
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 5 Volts / If 4.5 Ampere / Half indirect / Specified voltage AC/DC |
| Description |
this tube is a negative control mercury vapor type for use where it is desired to actuate the tube with a change in negative grid voltage. It requires relatively little grid power and is suitable for use in circuits where current flow is desired in the absence of grid excitation.
Grid voltage -1.75 at 100 anode volts and -6.5 grid volts at 1000 anode volts.
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Dimensions (WHD)
incl. pins / tip |
50 x 180 x mm / 1.97 x 7.09 x inch |
| Weight |
142 g / 5.01 oz |
| Information source |
-- Collector info (Sammler)
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Ste1000/2,5/15: Valvo Röhrentaschenbuch 1957
Anonymous 10 Collector
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Ste1000/2,5/15: Siemens Röhrentaschenbuch 1972
Anonymous 10 Collector
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Collection of
Collection of a member from D Collection of a member from D |
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