UVZ1A331MEH

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Aluminum electrolytic capacitors, consisting of an anode containing a layer of aluminum oxide, provide a wide range of applications and are used in almost all types of electronic circuit, as well as modern power plants. The product, model UVZ1A331MEH, is one such example. It combines high rated voltage, low equivalent series resistance and minimal losses over a wide temperature range in a Sanyo package.

The product offers a stable capacitance value with a solution that meets both long lifetime requirements and while its operation is easy and safe, it also ensures a high reliability and efficiency. This model operates over a temperature range from -40°C to +125°C, making it suitable for applications in harsh environments in for automotive or industrial applications.

UVZ1A331MEH’s capacity ranges from 0.47µF to 6.8µF, and its rated voltage ranges from 50 V DC up to 450 V DC. It has a low equivalent series resistance of 8 mΩ (Max.) and a low leakage current of 0.0008 CV or 3 mA (Max.), allowing a maximum of 100,000 hour operation. The product features a high ripple current capability, withstanding up to 7.2 A (450 V) ripple current.

The aluminum electrolytic capacitor has an outer construction composed of an anode plate made of aluminium, a cathode made of non-electrolytic material, and an electrolyte-soaked separator paper, ensuring thermal shock resistance.

The working principle of the product is quite simple yet effective. The cathode is composed of a non-polarizing module in the form of tantalum, ceramic, or polypropylene dielectric material. The anode is formed with a layer of oxidized aluminium and is soaked with an electrolytic electrolyte such as formic acid or boric acid solution. The cathode and the anode are then connected in parallel and separated by the electrolyte solution, forming an electric field. When a charge or direct current is applied to the capacitor, the internal electric charge is formed on the electrolyte to the anode and the cathode resulting in the creation of a strong electric field between the two.

An electric field created by this mechanism is responsible for storing energy in capacitors. This energy is then released when an AC current flows through the device, assisting it in producing a voltage difference. The electric energy is then absorbed or released depending on the amount of electric charge on the capacitor.

The capacitor is mainly used in a variety of electronic circuits, such as power supplies, cars, industrial electrical equipment, and computers. In power supplies, the capacitor is used to maintain a consistent and smooth voltage across the power supply. In cars, the capacitor is used to stabilise the voltage on the vehicle’s electric system. In computers, the capacitor helps in stabilising the electrical current. It can also be used in noise-filtering circuits, for earthing and suppression of spikes.

UVZ1A331MEH is an aluminum electrolytic capacitor offering wide applications and high reliability and efficiency. It is used in various electronic circuits such as power supplies, vehicles, and advanced-level computer systems. It has a low equivalent series resistance and leakage current and also has a high ripple current capability through its anode plate made of oxidized aluminium and cathode made of a non-electrolytic material.

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