Antique radios, Old Time Radios
740L
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| Tube type: |
Thyratron Power-supply |
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| Identical to |
740L
= 7022
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| Base |
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 16 Ampere / Half indirect |
| Description |
Argon-mercury vapor quick-heating industrial thyratron, designed for heavy-duty ignitor firing, motor speed control or controlled rectifier applications.
Peak inverse max 1500 V
Peak forward max 1500 V
Peak anode 30 (50) A
AVG anode 4 (2.5) A
Surge 400 A
Lug terminal base
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| Information source |
-- Original prospect or advert Richardson, 1994
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