ECQ-E12273JF

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Film capacitors come in many shapes and sizes, and the ECQ-E12273JF is a type of metallized polypropylene film capacitor with a radial lead style. This type of capacitor is advantageous for many applications because of its high temperature stability and relatively lower equivalent series resistance (ESR). They are commonly used in the energy storage, power distribution, and automotive industries for their reliability, long lifetimes, and ability to withstand occasional overvoltage.

The ECQ-E12273JF is a surface-mounted radial lead MLCC (Multi-Layer Ceramic Capacitor). It is constructed from a stack of metallized polypropylene film layers with an aluminum foil as a separator material. This arrangement ensures a very low ESR and high temperature stability. It is available in four different capacitor voltage ratings including 250V, 310V, 340V, and 400V with capacitance values ranging from 0.001 to 0.22 µF.

These capacitors are also available in radial leaded versions, soldering options, and two different dielectric thicknesses. The insulation resistance of these capacitors is excellent, with a range of 6-1000M ohms.

The ECQ-E12273JF capacitor is used in a wide variety of applications such as power supplies, DC filtering, signal filtering, wave shaping, and high-frequency circuits. It is also suitable for energy storage devices, power inverters, automotive audio, and HVAC systems. These capacitors are typically used in DC and small AC circuits.

The working principle of a film capacitor is simple and straightforward. It consists of a pair of plates which face each other across a high dielectric material. The two separated charges create an electrical field in between the plates, resulting in capacitance. When an AC voltage is applied on the plates, it creates a “wheel” of electrical charges consisting of the charges from the two plates together with the electric field between them. This wheel revolves back and forth, creating an AC current.

The intensity of the electric field, or capacitance, is proportional to the inverse of the distance between the plates. Therefore, as the distance between the plates decreases, the capacitance increases, and vice versa. For this reason, film capacitors are typically used in AC applications. They also offer very high insulation resistance over temperature and high dielectric strength.

The ECQ-E12273JF is a high-quality film capacitor that offers excellent stability over temperature. It is commonly used in a variety of applications due to its low ESR and high temperature stability. Its wide variety of voltage ratings and capacitance values make it suitable for different types of circuits.

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