870235174002 Capacitors

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Aluminum - Polymer Capacitors

Aluminum-Polymer capacitors, sometimes known as Aluminum-Polymer hybrid capacitors, are a type of capacitor that combine the advantages of aluminum electrolytic capacitors and polymer electrolytic capacitors. They can be used in a variety of applications such as electronic low-frequency circuits, pulsed high-voltage circuits, overload protection circuits, and switch-mode power supplies. The 870235174002 application field and working principle will be discussed in detail below.

Application field

Aluminum-polymer capacitors are generally used in circuits that require high capacitance and low impedance in a wide range of temperatures. They are ideal for applications that need high capacitance but require a small size and low ESR, such as automotive electronics applications and portable electronic devices. In addition, they are also used in medical devices, power systems, and battery chargers.

Working Principle

The 870235174002 aluminum-polymer capacitor consists of two parts: a conducting layer of aluminum foil and a dielectric layer of polymer. The aluminum foil is the anode, and the polymer is the cathode. The two layers are laminated together and separated by a gas buffer layer, which helps to minimize leakage currents. When a voltage is applied, the two layers create an electric field, which induces negative and positive charges on the anode and cathode, respectively. This creates an electric charge that is stored in the device, producing a capacitance.

The unique design of the 870235174002 aluminum-polymer capacitor allows for very low ESR and ESL values. This is because the polymer dielectric layer provides a large capacitance that is unaffected by temperature changes, which decreases the equivalent series resistance (ESR) and increases the ability to withstand higher temperatures. Additionally, this capacitor also offers a high degree of ripple current capability, which allows it to handle higher voltages.

The 870235174002 aluminum-polymer capacitor is highly stable and long-lasting, making it a reliable choice for many industrial and consumer applications. For example, it can be used in power backup systems, solar applications, and ultracapacitor-based energy storage devices. In addition, it also has excellent pulse power and thermal capacity, making it an ideal choice for many pulsed applications.

Conclusion

The 870235174002 aluminum-polymer capacitor is a type of hybrid capacitor that combines the advantages of aluminum electrolytic capacitors and polymer electrolytic capacitors. It offers low ESR and ESL values, excellent ripple current capability and high thermal capacity, making it ideal for applications such as automotive electronics, medical devices, and power systems. Additionally, its reliability, stability, and long lifespan make it an ideal choice for many pulsed applications.

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