Antique radios, Old Time Radios
7020
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| Tube type: |
Half-Wave Rectifier, gasfilled Power-supply |
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| Identical to |
7020
= 635L
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| Similar
Tubes |
Other base:
635/7019
; 7019
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| Base |
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 18 Ampere / Half indirect |
| Description |
Argon-mercury vapor half-wave industrial rectifier, intended for power supply circuits up to 250 VDC.
Peak inverse 1000 V
Peak anode max 77 A
Average anode max 6.4 A
Similar to 7019 / 635, but with lug terminal base.
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Dimensions (WHD)
incl. pins / tip |
52 x 241 x mm / 2.05 x 9.49 x inch |
| Information source |
-- Original prospect or advert Richardson, 1994
- - Manufacturers Literature
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