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Aluminium electrolytic capacitors are used in applications for which film capacitors are not suitable for reasons of space and/or cost. Polarised electrolytic capacitors which have the most compact design and are therefore used for very high capacities (e.g. for the voltage supply of amplifiers) cannot transfer any audio signal because audio signals are AC signals. Bipolar electrolytic capacitors such as the ECap AC series have a second aluminium foil providing AC voltage resistance and thus making them suitable for music signals. This ECAP70 runs up to 70Vdc/50Vac, using plain foils.
- Capacity range: 1μF to 47μF
- Electric strenth: 50Vac / 70Vdc
- Foil type: smooth aluminium foil
- Temperature range: -40°C/ -40°F to 85°C/+185°F
- Service life: [UR · R~] 5000 hours at +85°C/+185°F