CR43-3R9MC Inductors, Coils, Chokes

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Fixed inductors are components that store electrical energy in the form of a magnetic field. They are used in applications that require power electronics, such as motor and power supplies, communication devices, and instrumentation. The CR43-3R9MC is a specialized fixed inductor manufactured by KEMET which has become one of the most popular power inductors used in recent years.

The CR43-3R9MC is a high-efficiency, low-profile, low-ESR, surface-mountable fixed inductor capable of operating up to 20 amps. It is available in 4 sizes: 0402, 0603, 0805, and 1206. The component has a high saturation current rating of up to 400A, allowing for higher power loads. It is a low profile package, only 2.5mm above the PCB, ensuring the smallest overall size as possible. The inductor’s temperature range extends from -40°C to +85°C, and it has a long product life of up to 5000 hours.

Despite its small size, the CR43-3R9MC offers high efficiency and low ESR. It is ideal for use in power applications such as DC/DC converters, switching regulators, DC/AC inverters, and switch mode power supplies. It also has excellent ripple current characteristics, making it suitable for high frequency, high current applications.

The working principle of the CR43-3R9MC is simple. When a DC electrical current passes through the inductor, it stores energy in a magnetic field. This stored energy is released in the form of an induced current when the current flow is reversed. This results in an increase in voltage and current, which can be used to power applications.

The CR43-3R9MC is a cost-effective solution for a wide range of power applications. Its low profile allows it to fit in many designs while its high efficiency and low ESR make it an ideal choice for power electronics. Its wide temperature range and long operational life make it a reliable and durable fixed inductor.

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