Polyester capacitor applications
Polyester capacitors or PET capacitors are used in many areas where leaded capacitors can be accommodated.
Some typical polyester capacitor applications include:
- Circuits where the capacitor needs to handle high peak current levels
- General coupling and decoupling applications and DC blocking.
- Filtering, where high tolerance levels are not required.
- Audio applications
- Power supplies where the very high capacitance elvels of electrolytic capacitors are not needed.
Polyester capacitors are often regarded as general purpose capacitors. They provide a good level volume efficiency when compared to other types of film capacitor, and this comes at a moderate level of cost.
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