UPW1J821MHD6TN Capacitors

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as "electrolytic capacitors" or "aluminum capacitors", are capacitors with an anode made of a pure aluminum foil with an etched surface and a non-solid, non-liquid electrolyte acting as the cathode. They have the highest energy density and highest rated voltage of any type of capacitor, and are an important component in many electrical and electronic applications. They are commonly used in power supplies, signal processing, audio equipment, and automotive electronics.

The UPW1J821MHD6TN capacitor is an aluminum electrolytic capacitor, which is specifically designed for low frequency ripple filtering applications with high current capacity. It is constructed from two aluminum foil electrodes with a dielectric barrier between them. The dielectric barrier consists of a semi-porous aluminum oxide layer formed between the foils. The capacitance of the UPW1J821MHD6TN is dependent on the area of the electrodes, separation of the foils and thickness of the dielectric barrier.

This capacitor has a wide range of applications in low frequency ripple filtering, such as power supplies, signal processing equipment, etc. The two aluminum electrodes form two plates with a space between them and create an electrical field when connected to a DC voltage source. This electrical field serves as a storage space for the electric charge. As the electric charge accumulates, the voltage drop across the capacitor increases and blocks AC signals.

The UPW1J821MHD6TN also has a low equivalent series resistance (ESR), staying above 20 mΩ at 100 kHz and 10 mΩ above 500 kHz. This feature reduces self-heating, making the capacitor suitable for high-load applications. This capacitor also has extremely low leakage current, below 0.3 mA after 2,000 hours of operation. This low leakage current leads to longer life and better performance of the electrolytic capacitor.

The UPW1J821MHD6TN aluminum electrolytic capacitor is an excellent choice for filtering low frequency AC components and provides reliable performance in a wide variety of applications. It provides high current handling capabilities, long lifespan, low ESR, and low leakage current. It is also available in a small form-factor for use in limited spaces, making it suitable for a variety of industrial or consumer applications.

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