EEF-CS1E150R Capacitors

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Aluminum - Polymer Capacitors

The EEF-CS1E150R is an aluminum-polymer capacitor. It is an electrical component that uses electricity – but not its own – as a medium to store electrical charge. As such, it is used as an electrical signaling device, filtering noise, and can also store energy.

The EEF-CS1E150R is specifically designed for high-frequency applications. It is non-electrolytic, meaning it does not require a liquid medium for effective charging and discharging. It has a low Equivalent Series Resistance (ESR) parameter and provides high capacitance. The EEF-CS1E150R also has a reliable ripple current and voltage rating, as well as a wide temperature range.

The aluminum-polymer capacitor consists of an anode, or positively charged electrode, and a cathode, or negatively charged electrode, separated by separator material. The anode and separator are formed into a cylinder, generating a higher capacitance than other capacitor technologies. Additionally, the cylindrical shape increases its capacitance-to-volume ratio and contributes to its small size. Inside the capacitor is a polymer electrolyte material which allows ions to move between the electrodes free of obstacles.

The working principle of the EEF-CS1E150R depends on dielectric polarization. The capacitance is generated because of the dielectric properties of the material between the conductive plates. When a voltage is applied between the conductive plates, an electric field initiates the electron flow, creating an electric dipole in the material between the plates, which causes the capacitance. When a reverse voltage is applied, the electric dipole aligns in the opposite direction, causing the capacitance to drop.

The EEF-CS1E150R has several applications in high-frequency applications. In automotive applications, such as lock-up mechanisms for door locks and ABS brakes, the EEF-CS1E150R can provide high-ripple current filtering, reducing or eliminating EMI noise. In power supplies, the aluminum-polymer capacitor can be used to bypass high frequency voltage transients and reduce ripple currents. It can also be used to provide high capacitance values in small packages, at low cost.

The EEF-CS1E150R is capable of withstanding high voltage and temperature range and can be used in frequency ranges up to 1GHz. The combination of a low Equivalent Series Resistance (ESR) and high capacitance makes the EEF-CS1E150R ideal for many high-frequency applications where size, cost and ripple current filtering are critical.

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