890303425004CS

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Film Capacitors

Film capacitors are special capacitors that are made of polymers dielectric material and are typically used in audio and RF applications. They have a very low capacitance drift, meaning that their capacitance is relatively consistent over a wide range of temperatures and frequencies. Film capacitors are generally noted for their wide operating temperature range, excellent insulation and electrical properties, as well as, their high reliability and stability.

890303425004CS Application Field and Working Principle

The 890303425004CS is a general purpose film capacitor that is often used in telecommunications and consumer audio applications. It has a wide operating temperature range of -40 °C to +105 °C qnd meets international safety standards for both EMI (electromagnetic interference) and RFI (radio-frequency interference) rejection. The 890303425004CS is typically used for audio applications such as low-pass filters, high-pass filters, frequency dividers, and bandpass filters.

The working principle of the 890303425004CS is based on the concept of an electric field between two metal plates which form a capacitor. This electric field is created by an applied voltage which is the potential difference between the two plates. When the voltage drops, the electric field between the plates drops and the charge stored on the capacitor is released and is conducted away. The 890303425004CS utilizes this basic principle in order to store and release charge.

The 890303425004CS has a low self-resonance frequency which gives it a low equivalent series resistance (ESR). This low ESR is important in applications that require low distortion as it eliminates phase shift and reduces noise by attenuating frequencies at high levels. Additionally, the 890303425004CS has high insulation resistance which allows it to reliably store electrical signals over long periods of time. This high insulation resistance also protects the capacitor against humidity and other environmental factors where electrical signals may be affected.

The 890303425004CS is a non-polarized capacitor which means it can be used in either direction in an application. This feature makes the 890303425004CS easier to work with as it eliminates the need to use multiple capacitors in order to achieve a desired performance.

The 890303425004CS is a PTC (Polytetrafluorethylene) capacitor which is widely used in automotive and power electronic applications. The PTC film material has a much higher breakdown voltage than conventional film capacitors and can therefore withstand higher voltages without the risk of mechanical and chemical damage.

The 890303425004CS also has a relatively low dielectric absorbence. This means that when a frequency dependent component such as a tuned circuit is used, the 890303425004CS will not add spurious frequencies to the circuit which can result in unexpected behaviour. The low dielectric absorbance also prevents charge leakage which is a common issue with conventional film capacitors.

In summary, the 890303425004CS is a general purpose film capacitor that is ideally suited for applications that require low distortions, high reliability and long operational life.

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