Electrolytic capacitor

Electricity: electrical systems and devices – Miscellaneous

Patent

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Details

29570, 252 622, H01G 902

Patent

active

045353891

ABSTRACT:
An electrolytic capacitor having a wound foil capacitor section, preferably aluminum foil, contains as electrolyte a solution of 3 to 10 wt % ammonium benzoate, 4 to 16 wt % water, and 75 to 93 wt % ethylene glycol which has a resistivity of 385 to 620 ohm-cm and provides a capacitor capable of operating above 100 V and above 85.degree. C. A nitro compound and a phosphate may also be present. The electrolyte is particularly suited for operation above 200 V and 95.degree. C. and higher.

REFERENCES:
patent: 2024210 (1935-12-01), Edelman
patent: 4024442 (1977-05-01), Anderson

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