Antique radios, Old Time Radios
5544
| Base |
Jumbo 4-pin bayonet (1918)
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 12 Ampere / Direct |
| Description |
Va <1500 peak; Ia <3.2A mean.
Industrial controlled rectifier intended for motor control and arc welding applications.
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| Information source |
Essential Characteristics, GE 1973
-- Original-techn. papers.
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5544: Essential characteristics
Peter Hoddow
|
Just Qvigstad
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5544: Mullard-original papers
Dietrich Grötzer
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