UHM1A681MPD

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Aluminum electrolytic capacitors are common type of capacitors that are used in various applications such as pulse, filtering, decoupling, and power supply. The UHM1A681MPD is one of the most popular aluminum electrolytic capacitors. It is a long-life, low-ESR capacitor, with a long and reliable service life.

The UHM1A681MPD is a radial leaded aluminum electrolytic capacitor, with a capacitance value range of 2.2 to 68 uF. The capacitor is rated for a voltage of 10 to 25 VDC, and is a polarized capacitor with a lead spacing of 7.5 mm. Its mechanical features include a body diameter of 10 mm x 20 mm, and a temperature range of -55 degrees Celsius to +105 degrees Celsius. Its max ripple current is 2000 mA @ 100 kHz, and its operating temperature range is -55 degrees Celsius to +105 degrees Celsius.

The UHM1A681MPD is mainly used in applications such as power supplies, electronic ballasts, DC-DC converters, and switch-mode power supplies. It is also used in consumer electronics for decoupling, and in automotive electronics for line decoupling. Its unique design makes it suitable for a wide range of high current applications. It is a low leakage capacitor, with an ESR of 25 mΩ maximum.

The working principle of the UHM1A681MPD is based on the voltage differences between two separate metalized aluminum electrodes separated by an electrolyte. The aluminum electrodes act as a dielectric and at a given voltage, charges will be induced between the aluminum electrodes. The principle of electrolytic capacitance states that when a DC voltage is applied to a capacitor, the capacitor will store energy, which is proportional to the applied voltage. The stored energy is then discharged when the voltage falls below the applied voltage.

In summary, aluminum electrolytic capacitors are widely used in a variety of applications, and the UHM1A681MPD is one of the most popular capacitors due to its long life and robust design. It can be used in applications such as power supplies, electronic ballasts, DC-DC converters, and switch-mode power supply, as well as consumer electronics and automotive electronics for decoupling. Its operating principle is based on the voltage differences between two aluminum electrodes.

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