UVY0J103MHD

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Aluminum electrolytic capacitors are polar components that use newly developed aluminum oxide films in combination with electrolytes to store energy. Usually they are constructed with two aluminum foils and a separator soaked in an electrolyte. One of the aluminum foils is etched to improve its surface area. The etched foil is the positive (+) contact, while the non-etched foil contact is the negative (-) contact. The use of aluminum oxide films with an electrolyte provides high insulation resistance, enabling aluminum electrolytic capacitors to tolerate large voltage fluctuations. These types of capacitors are widely used in medical, communication, consumer electronics, and industrial applications, among others.

The UVY0J103MHD is a radial leaded high temperature, long-life aluminum electrolytic capacitor. It is mainly used in low- frequency, high-current power applications such as TVs, monitors, inverters, and more. The UVY0J103MHD’s capacitance range is from 5uF to 470uF and the voltage range from 4V to 63V. It is notable for its high temperature stability, which has a maximum operating temperature of 105 °C and a maximum ripple current of 7A.

The working principle behind aluminum electrolytic capacitors is simple. When a DC voltage is applied, one of the contacts (the anode) releases electrons to the other contact (the cathode), which increases the positive charge on the anode and the negative charge on the cathode. This creates a charge in the capacitor. As opposite charges are attracted to each other, the electrons in the capacitors generate an electric field, thus providing energy storage. The key factor in determining the field strength is the quality of the aluminum layers that make up the capacitor - the properties of the aluminum used and the thickness of the oxide films that coat it. The thicker the oxide film, the stronger the electric field, thereby increasing the capacitance and the voltage-holding properties of the capacitor.

The UVY0J103MHD capacitor’s advantages include its high frequency, low equivalent series resistance (ESR), high ripple current, and long lifespan. It is also lead-free and RoHS compliant, making it an environmentally friendly solution. Additionally, the UVY0J103MHD offers superior performance in high frequency power supply applications with its wide capacitance range and moderately high voltages. This makes the capacitor ideal for circuits that require a certain degree of filtering and stabilization. The capacitor’s long life properties are owed to its radiating plate design, which improves the uniformity of oxide film and reduces stress on the device.

In summary, the UVY0J103MHD is an excellent capacitor that offers high temperature stability, high frequency, low ESR, and long life capabilities. With its wide capacitance and voltage range and its RoHS compliance, it is an attractive choice for power supply applications in various industries.

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