CPFC74BNP-851

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Common Mode Chokes (CMCs) are electrical components designed to suppress electrical noise in power, signal and data transmission lines. The most common type of CMC is the CPFC74BNP-851. This component is useful in preventing unwanted interference from affecting the operation of electronic circuits.

The CPFC74BNP-851 is an axial-leaded CMC designed for a wide variety of applications. The product combines high efficiency and low DC resistance with low cost. It also features a high nominal differential impedance, making it an excellent choice for high-frequency applications.

The CPFC74BNP-851 has a wide operational temperature range of -55°C to +125°C. This CMC can also withstand up to 5A of current and its nominal frequency range is between 0.1MHz-10MHz. The component is packaged in a 5mm x 8mm x 5mm shield can and is reflow compatible.

In terms of application field, the CPFC74BNP-851 CMC is primarily used in DC power lines to reduce unwanted noise. It is suitable for applications such as industrial, automotive, computers and telecommunications. It can also be used in combination with power transformers for automotive applications. In addition, it is well-suited for applications where a very low differential impedance is required.

The working principle of the CPFC74BNP-851 common mode choke is based on inductive property. The differential impedance has two coils coupled together in series and the common mode impedance has two coils coupled together in parallel. Both inductive impedances resist changes in current. The differential impedance maintains a consistent voltage while the common impedance is designed to reduce any foreign electrical noise coming from other components on the line.

When the CPFC74BNP-851 is installed in a circuit, it creates a low impedance path for the foreign electrical noise while allowing the desired signal to pass through. The differential impedance suppresses common mode currents, while the common mode impedance rejects differential mode currents. In this way, it helps to reduce electromagnetic interference (EMI) and radio frequency interference (RFI).

The CPFC74BNP-851 is a cost-effective component that offers reliable noise suppression for a variety of applications. It has a wide operating temperature range, a wide bandwidth, and can withstand up to 5A of current. With its high efficiency, low DC resistance and low differential impedance, it is an ideal choice for noise suppression in any application.

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