CPFC74NP-4251-T093

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Common Mode Chokes

Common Mode Chokes, also known as Choke Coils and Filters, are a major component of switching power supply EMI filter systems. The CPFC74NP-4251-T093, a type of common mode choke, offers total protection solutions to ensure reliable and safe operation of electrical and electronic circuits. It is widely used across a range of application fields and works by reducing differential-mode and common-mode noise on different signal lines.

Application Fields

The CPFC74NP-4251-T093is suitable for a wide range of application fields. It is commonly used in medical equipment, industrial controls, and consumer electronics. It is also the most ideal choice for power supply modules, off-power batteries, and LCDs. It can be used in all sorts of low-frequency circuits, mobile phones, portable computers, etc. Additionally, it can be applied in other places where noise needs to be reduced or reduced common-mode noise needs to be generated.

Working Principle

The CPFC74NP-4251-T093 operates by using the characteristic of the air core to attenuate or filter out common-mode noise from the differential mode signals. It consists of two wire-wound coils which are connected in series and wound with a common mode core material. The wires of each winding consists of insulated conductors that allow an inductive coupling effect to occur between the two coils and the core material. When the two coils are energized, the induced fields add resulting in a large inductance, in turn allowing the device to filter out a large amount of disruptive noise.

CPFC74NP-4251-T093 works in two ways simultaneously according to the type of noise present. Firstly, due to the inductively coupled coils, differential-mode noise will be reduced to a great extent. This is done by limiting the peak signal voltage to acceptable levels. Meanwhile, the core material will filter out common-mode noise by absorbing the energy from that noise and dissipating it. This will maintain a steady state of common-mode noise in the circuit, resulting in improved overall signal and power quality.

Conclusion

The CPFC74NP-4251-T093 can provide excellent protection for electronic circuits. It is used in a variety of application fields due to its efficient operation, reliable protection, and high EMI filtering capability. The device uses air-core inductive coupling and its core material to reduce differential-mode and common-mode noise, allowing it to protect electronic components and improve the overall noise immunity of a circuit.

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