B25834B5156K4

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Film capacitors (also known as plastic film capacitors, plastic capacitors, and polymer film capacitors) are capacitors that use plastic film as dielectric. They are mainly used in signal coupling, blocking and noise suppression in power electronics, electrical circuits, communications and audio equipment. The B25834B5156K4 film capacitor is a radial lead device and a product type of E6D​ series which is part of TDK\'s product line.

The B25834B5156K4 film capacitor is primarily used for resonant and bypass applications. It is designed and manufactured with the same process and technology used for ceramic capacitors to deliver improved volumetric efficiency, enabling the B25834B5156K4 film capacitor to occupy a much smaller space than traditionally used film capacitors. Moreover, with its surface mount assembly technique, the B25834B5156K4 film capacitor provides easy integration into spacesaving circuits.

Theworking principle：the B25834B5156K4 film capacitor is essentially a set of two conductors separated by a thin insulating material. When one conductor is positively charged, the other is negatively charged. As current flows across the capacitor, it creates a low resistance path that is inversely proportional to the width of the gap. This phenomenon creates an electric field within the gap, attracting positive and negative charges.

The structure of the B25834B5156K4 film capacitor makes it more reliable, and electrically stable than ceramic capacitors for critical applications. It has a very low ESR and ESL as well as high capacitance density which is suitable for resonant and high-frequency circuits. Furthermore, the B25834B5156K4 film capacitor eliminates lead inductance which helps reduce the size and cost of high frequency and high voltage applications. Its improved frequency characteristics make it ideal for filter networks and other applications requiring high-frequency response.

This B25834B5156K4 film capacitor also offers a high ripple current rating. Its high ripple current rating makes it suitable for use in AC signal filtering applications, such as switch mode power supplies, audio amplifiers, and power supplies. Furthermore, its large volume makes it compatible with surface mount assembly techniques, offering designers the flexibility to use the B25834B5156K4 film capacitor as a surface mounted component in high density circuits. This feature also reduces the package size and cost of the total design.

The B25834B5156K4 film capacitor is also widely used in the automotive industry. It is especially suitable for harsh environmental conditions due to its moisture resistant insulation film, allowing for operation in a wide temperature range from -40°C to +85°C. This film capacitor is also reliable in high vibration environments, due to its robust construction and minimal mechanical connections. Additionally, its compliance to the RoHS directive make it an environmentally friendly choice.

In conclusion, the B25834B5156K4 film capacitor is a high performance, reliable and cost effective device that can be used for a wide range of applications in power electronics, electrical circuits, communications and audio equipment. Its small size and high current capabilities as well as compliance to the RoHS directive make it a preferred choice for designers.

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