WMF2S68K

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Film capacitors are highly reliable, miniaturized and efficient components that have a variety of applications. WMF2S68K is a film capacitor specifically designed for automotive, industrial automation, high-end audio systems and lighting control applications. The use of film capacitors as the main component in these applications is due to their excellent performance characteristics, which include high insulation value, high stability, high temperature resistance, and low voltage drop.

The main advantages of using WMF2S68K film capacitors for these applications is the wide operating temperature range, from -40°C to +85°C, and the low self-resonant frequency. The self-resonant frequency determines the maximum capacitance of the device over a given frequency range; a low self-resonant frequency allows for larger capacitance values than those obtained with other types of capacitors. Consequently, the WMF2S68K film capacitor is an ideal choice for applications with large voltage ripple or when capacitance precision over a wide frequency range is needed. In addition, the wide operating temperature range and high voltage rating, from 250V to 630V (DC) make them suitable for a wide variety of uses.

How does the WMF2S68K work and what are its features? The primary function of a capacitor is to store and release energy when needed. The WMF2S68K is a Polypropylene film capacitor and contains two metal plates separated by an insulating material. When a voltage is applied across the two terminals, an electrostatic field develops within the dielectric material, thus creating a capacitor. The film capacitors are constructed of plastic film dielectric which is wrapped in a tight roll around the two metal plates, resulting in a flat structure. This type of construction and design results in high stability and reliability, with increased cycle life.

The metallization of the plates of the WMF2S68K is what makes the capacitor unique among other film capacitors. The metal layers are deposited on the surface of the plastic film in order to reduce the series equivalent inductance and minimize the length of the leads in order to raise the self-resonance frequency. The metallization also helps to reduce the parasitic effects of the leads. Additionally, the technology used for the dielectric layer is the combination of Oxide + Aluminum technology. This combination helps to further increase the temperature and voltage stability of the device, thus enhancing its reliability and cycle life.

The applications of the WMF2S68K Film Capacitor vary depending on the specific requirements and specifications of the system. In the automotive industry, the capacitor can be used for ignition control, ECU’s (electronic control unit) and other electronic systems. It can also be used in the industrial automation market as a high voltage capacitor for EMC (electromagnetic compatibility) applications. For audio amplification, the device is used for high impedance, low noise, and high power applications. And finally, the device can be used in lighting control systems for overload protection.

In conclusion, the WMF2S68K film capacitors are a highly reliable and efficient component that is ideal for a wide variety of applications. The device offers high insulation value, stability, temperature resistance, and low voltage drop. The metallization technology used for the capacitor increases its temperature and voltage stability and contributes to increased life and reliability. Moreover, the wide operating temperature range, from -40°C to +85°C, and the low self-resonant frequency make the WMF2S68K an ideal choice for applications with large voltage ripple or when precision capacitance over a wide frequency range is needed.

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