BLC120J901B4A

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Film capacitors are electrical components used for energy storage and signal coupling in electronic circuits. The BLC120J901B4A film capacitor is a reliable, cost-effective solution for DC applications, and it can also be used for low-frequency AC filtering applications. It is a lead-free, surface-mount, metallized polypropylene film capacitor with high dissipation and low dielectric absorption.

The BLC120J901B4A film capacitor is constructed from a thin layer of metallized polypropylene film dielectric with a self-healing feature. Its low dissipation factor and high storage capacity help keep the noise signal in AC applications as low as possible. The capacitor is designed to provide excellent capacitive performance and low ESR. Its self-healing properties ensure minimal leakage current and prevent eventual short-circuit failure. The BLC120J901B4A capacitor is RoHS light compliant, and its flat form factor provides easy installation.

The BLC120J901B4A film capacitor contains an aluminum foil and copper-clad non-dissolving polyester (KP, KPH, MKP or KK) film above a uniformly distributed one-layer tin-plating ensure perfect contact between the electrode and the non-conductive film. The tin-plating also increases the capacitor’s corrosion resistance. The terminations are made of tin-plated, more wear-resistant copper wire leads compliant with UL94V-0 and UL1412. The capacitor shell is a black, RoHS compliant PPS. It has good mechanical properties and meets UL94V-2 flame resistance requirements.

The BLC120J901B4A film capacitor offers low power losses and low dielectric absorption. With its small size and high-end construction, the capacitor is suitable for high-density mountings and provides high stability for commercial and industrial applications. With a high-strength casing, the capacitor has an extended operating temperature range of -40 to +85°C.

The application field of the BLC120J901B4A film capacitor spans various fields. It is widely used in power systems such as machines, generators, automobiles and other motor controllers. It is also used as a DC link capacitor in AC/DC converters, as an Active Power Filter and transducer in low voltage motor driver performance optimization. Moreover, the capacitor can be used in frequency synthesis, smoothing, and coupling circuits for low-voltage AC applications.

The working principle of the BLC120J901B4A film capacitor is based on the capacitor’s electrical design. When two conductive surfaces are separated by a dielectric substance, electrical charge can be stored on the conductive surfaces. This charge can then be used to modify the capacitance. The BLC120J901B4A film capacitor utilizes metallized polypropylene film as its dielectric, in order to increase the capacitance of the capacitor and reduce its ESR. The capacitor’s low power loss and excellent dielectric characteristics make it ideal for high-end commercial and industrial applications.

The BLC120J901B4A film capacitor is an essential component for many power supplies, power systems, and energy storage applications. Its reliable and high performance design make it a cost-effective solution for DC and low-voltage AC applications. Its low power loss and low dielectric absorption promote its use in commercial and industrial applications, allowing it to meet any requirements for energy storage.

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