ECQ-E4123JFB

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Film capacitors, also known as plastic film capacitors, are one of the most popular and widely used types of capacitors. The ECQ-E4123JFB is a film capacitor that is used in many applications from simple low-frequency circuit boards to more complicated high-frequency applications. This type of capacitor is known for its low ESR, high ripple current handling, and low dielectric absorption qualities.

The ECQ-E4123JFB is constructed with a polypropylene dielectric film, silver epoxy coating, and a wire wound layer. The dielectric layer is very thin and has the capability to produce high capacitance values in a small space, making it very suitable for high-density board layouts. Because of its strong dielectric performance, film capacitors have proven to be the best choice in long-term stability applications.

The working principle of a film capacitor is simple: two metallic foil electrodes act as the two plates of the capacitor. This is then sandwiched between two layers of insulating plastic film. When an electrical current is applied to the capacitor, electrical charges of opposite polarities attract each other, creating an electric field between the two plates. This electric field accumulates around the two plates and stores electrical energy. The advantage of a film capacitor over other types of capacitors is its ability to handle higher ripple currents without affecting the capacitor’s performance.

The ECQ-E4123JFB film capacitor is a general-purpose, non-polarized capacitor that is commonly used in AC line filter circuits. It is a radial lead component that has an operating temperature range of -55°C to +105°C, a capacitance range of 0.047 to 47 µF, and a capacitance tolerance of ±5%. This capacitor is also RoHS compliant, making it safe to use in safety critical high-frequency applications.

The ECQ-E4123JFB film capacitor is an excellent choice for a variety of applications including switch mode power supplies, radio frequency and data circuits, and high-quality audio circuits. Its low ESR and high ripple current handling capability make it an ideal choice for high frequency applications where space is a concern. The film capacitor also has a high breakdown voltage, making it suitable for applications that require a high voltage rating.

The ECQ-E4123JFB film capacitor is a reliable and versatile component that is used in numerous applications. With its low ESR and low dielectric absorption capabilities, it is an excellent choice for high-frequency circuits and complex power supplies. It also has a high breakdown voltage and is RoHS compliant, making it suitable for use in safety critical applications.

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