940C8P33K Capacitors

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Film capacitors are widely used for their ability to store electric charge and release it when necessary. The 940C8P33K is a film capacitor designed specifically for power-supply applications. Developed by KEMET, it is known for its low equivalent series resistance (ESR) and low capacitance drift. It is widely used in power supply filtering applications, such as high-efficiency DC/DC converters and LED lighting applications.

The 940C8P33K is a metallized polypropylene film capacitor. It features a single voltage rating of 330 VDC, allowing for convenient selection and circuit design. Its construction consists of a polypropylene dielectric and aluminum electrodes encased in a flame retardant plastic casing. The metallicized construction adds to its reliability, providing improved insulation and higher performance.

When it comes to application field, the 940C8P33K is a preferred choice for a variety of filtering applications. It is ideal for use in power-supply circuits, where it helps to reduce the EMI interference that can occur in high-frequency digital circuits. Additionally, it is used in LED lighting applications, where it provides the required input voltage/current filtering for efficient operation.

The working principle of the 940C8P33K is simple. When connected to an AC or DC power source, the capacitor stores electric energy in the form of electric charge. This electric charge circulates through the capacitor and helps to filter high-frequency noise and current spikes. Additionally, the capacitor helps to smooth out voltage changes, providing a steady DC voltage for powering the circuit.

The 940C8P33K is well known for its excellent performance characteristics, including low ESR values, high ripple current ratings, and low capacitance drift. Additionally, it is designed to meet stringent UL and CUL standards, making it safe for use in multiple applications. With its ability to operate at temperatures ranging from -55°C to +105°C, along with its moisture-resistant construction, the 940C8P33K is the perfect choice for all power-supply filtering needs.

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