EEF-UD0G121R Capacitors

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Aluminium-polymer capacitors (are known as aluminium-polymer electrolytic capacitors) are a type of polarized capacitor, specifically an electrolytic capacitor, which combines features of electrolytic capacitors and non-electrolytic capacitors. They have many advantages over other capacitor types, with some of the more notable ones being a longer service life, higher capacitance density, and improved stability in high temperatures. In addition, due to their low ESR, aluminium-polymer capacitors are suitable as a power source for high power applications.

The EEF-UD0G121R is an aluminium-polymer capacitor designed for use in high power applications. It is a 10-volt, low ESR device that has a maximum capacitance of 1,200 μF. This makes it suitable for applications in the power supply, such as the output filter, EMI filter and DC/DC converter, and in motor speed control, as well as power buffers, power converters and power back-up devices. The low ESR makes it well suited for applications with high transient currents, where other capacitors may not be able to handle the current in a timely manner. The device is rated for 120°C, making it suitable for a wide range of temperature environments.

The main working principle of the EEF-UD0G121R is that it contains an aluminium-polymer electrolyte which is sandwiched between two terminal electrodes. When a voltage is applied across the terminals, the aluminium-polymer electrolyte will ionise and conduct current from one electrode to the other. This current flow is what stores the energy and provides the capacitance of the capacitor.

The ability of an aluminium-polymer capacitor to resist changes in capacitance due to temperature and voltage is one of its main benefits. The capacitance of the device is almost completely independent of temperature, and any changes that do occur are very gradual and predictable. Similarly, the ESR remains much lower than other capacitor types over a wide voltage range. This makes the EEF-UD0G121R ideal for high power applications which require a stable power supply.

In conclusion, the EEF-UD0G121R is a high quality aluminium-polymer capacitor designed for use in high power applications. Thanks to its low ESR and high capacitance density, it is capable of withstanding high transient currents and temperature environments, offering greater stability than other capacitor types. It is an ideal choice for power supply and motor speed control applications, as well as power buffers, converters and backup devices.

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