4SWZ220M1.9X7.3

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Aluminum-polymer capacitors, also known as electrolytic capacitors, are the most popular form of polarized capacitor currently in the market. This type of capacitor plays an important role in numerous industrial, commercial and consumer applications. Much of the capacitance is obtained through the use of a dielectric, typically a semi-conducting electrolyte that separates two external electrodes. The capacitor stores energy through electrostatic attraction between the two electrodes and the electrolyte.

4SWZ220M1.9X7.3 capacitors are aluminum-polymer capacitors manufactured by the TDK Corporation. They are part of the polymer series of capacitors, which are highly reliable capacitors featuring many improvements to the conventional type aluminum electrolytic capacitors. Due to their excellent characteristics, such as high ripple current, low ESL, low ESR, and a long service life, they are suitable for various applications such as over-voltage protection, ripple current filtering and waveform shaping.

The capacitance value of 4SWZ220M1.9X7.3 capacitors is 220μF. These capacitors are generally used for general purpose applications, such as power supplies, and are ideal for using in vertical or horizontal mounted circuits. The rated voltage of 4SWZ220M1.9X7.3 capacitors is 7.3V, making them suitable for low-voltage circuits. The capacitors are rated to operating temperatures up to +105 degrees Celsius and they have a long life of up to 5500 hours (at 105 degrees Celsius). These capacitor are compliant with RoHS (Restriction of Hazardous Substances) ensuring they are safe to use in the environment. These capacitors are available in the following case sizes: 6.3×7.3mm in vertical mount, 7.3x10mm, 10x12.5mm and 10x16.7mm in horizontal mount.

The most common application for 4SWZ220M1.9X7.3 capacitors is for suppressing high frequency noise and ripple current in power supplies. They are also used for filtering out any unwanted signals in circuits, for energy storage and for waveform shaping. Additionally, they are used in the automotive industry to help manage and control the electrical current in various systems and devices, such as radios, headlights, and engines.

The working principle behind aluminum-polymer capacitors, like the 4SWZ220M1.9X7.3, is based on electrostatic attraction between the two metal plates. One plate is typically made of aluminum, while the other is made of a dielectric, such as a semi-conducting electrolyte. When a voltage is applied across the two plates, the opposite charges attract one another, and the capacitor stores energy through the electrostatic attraction. The capacitance value of the capacitor is determined by the area of the plates and their distance apart. As the plates are closer together, or their surface area is increased, the capacitance value increases as well.

In summary, 4SWZ220M1.9X7.3 aluminum-polymer capacitors are a reliable and affordable option for various applications, such as power supplies, low voltage circuits, and waveform shaping. They are manufactured by the TDK Corporation and offer a wide range of capacitance values, ranging from 220μF to 1F. The rated voltage for these capacitors is 7.3V and they are designed to operate temperatures up to +105 degrees Celsius, allowing them to be used in a variety of applications in the automotive and industrial fields. The working principle of these capacitors is also based on electric attraction between the two metal plates and the electrolyte present between them.

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