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Aluminum Electrolytic Capacitors

Electrolytic capacitors are a type of capacitor that uses an electrolyte to achieve a larger capacitance than other capacitors. They come in several different forms, but the most common are aluminum electrolytic capacitors.

Aluminum electrolytic capacitors are constructed of two thin aluminum foils, one of which is etched with a pattern of small capacitors. One of the foils acts as the anode and is connected to the positive side of the voltage source. The other foil acts as the cathode and is connected to the negative side of the voltage source. The two foils are then separated by a layer of/in an electrolyte, often a gel or solid sheet. When the voltage is applied across these two electrodes, a potential is created across the electrolyte. This potential causes a reaction between the electrolyte and the electrodes, which results in a charge forming on the electrodes.

UWX0G221MCR1GB application field and working principle

The UWX0G221MCR1GB is a type of Aluminum Electrolytic Capacitor manufactured by KEMET. This particular capacitor is designed for use in applications where a low voltage is required, such as military and aerospace systems. It is a polarized capacitor, meaning it only works one way and must be connected correctly or else it can be damaged.

The UWX0G221MCR1GB is a through-hole capacitor that features a low leakage current (<0.001 CV or 1 microamp). This makes it perfect for any application where low power consumption is required. The capacitor also has a high surge current rating, making it suitable for applications such as switch mode power supplies where large amounts of current need to be provided quickly. Furthermore, the capacitor has a high stability dielectric which maintains a high capacitance over a wide temperature range.

The UWX0G221MCR1GB features an extremely low self-inductance making it suitable for applications where RF signals must be minimized. It is also RoHS compliant and UL recognized in addition to being UL 94V-0 certified for use in class 5.1. Additionally, the capacitor is designed with a long operating life (1000 hours) and a maximum operating temperature of +85°C.

In summary, the UWX0G221MCR1GB is an excellent choice for applications that require a low voltage, low leakage current, and high surge rating. The capacitor is UL recognized and RoHS compliant in addition to having an extended operating life and high temperature resistance. These features make it the ideal choice for military and aerospace applications, as well as many other applications requiring a low voltage supply.

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