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Aluminum electrolytic capacitors are a type of passive electronic component that store electrical energy. They are composed of an aluminum oxide layer that acts as an insulator, sandwiched between two conductive aluminum plates. This construction allows them to achieve high capacitance values in a relatively small size, making them ideal for various applications in electronic circuits.
| Capacitance range | 1 µF to 10000 µF |
| Voltage rating | 6.3 V to 450 V |
| Tolerance | +20% to -20% |
| Temperature range | -40°C to +105°C |
| Lead type | Radial or axial leads |
When selecting aluminum electrolytic capacitors, consider the required capacitance and voltage ratings for your application. It's important to specify the tolerance and temperature range to ensure reliability under operating conditions. Additionally, check for any necessary certifications or standards that may apply to your industry. Quantities may vary based on project needs, so be prepared to discuss your requirements with suppliers.
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Typically, they last between 1000 to 5000 hours at rated voltage and temperature.
They are primarily designed for DC applications, but some can handle low-frequency AC.
Incorrect installation can lead to failure, leakage, or even explosion.
Yes, they come in various forms including standard, low-ESR, and high-temperature types.
Choose a voltage rating higher than the maximum voltage the capacitor will experience.
Capacitance value determines how much charge the capacitor can store.