LF2823NP-683

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Common Mode Chokes are commonly used in electronics to reduce EMI / RFI and protect components in an electrical circuit from excessive voltage. The LF2823NP-683 common mode choke is a high-performance choke used in switching power supplies that can reduce both common mode and differential mode noise. It is capable of handling an operating current of up to 3.3 A and is ideal for use in switching power converters such as flyback converters, boost converters, and Buck converters.

The LF2823NP-683 is a double-wound choke with two windings of wire wound around a ferrite core. It works by reducing the amount of high frequency common-mode and differential-mode noise, as well as providing galvanic impedance. In other words, it helps keep the voltage and current signals on either side of the choke in balance, thus providing protection to the components in the circuit from any sudden spikes or surges in the voltage levels.

The LF2823NP-683 is especially suitable for applications such as power supplies for notebook computers, server motherboards, and LCD displays. It is also suitable for applications requiring high common mode noise attenuation with low cost and small size. Its excellent impedance characteristics provide effective suppression for both common mode and differential mode conducted noise. It is also designed with an auto-recover function that helps to protect the chip in the event of an overload.

In terms of working principle, a common mode choke usually works by inducing a magnetic field which counters the current of the noise signals, suppressing it. This magnetic field is generated as the current passes through the windings of the core, thus restricting the undesired frequencies from passing through. This suppression of noise significantly reduces the amount of EMI / RFI interference in the signal.

The LF2823NP-683 common mode choke is a high-performance choke designed specifically for use in switching power supply applications. It offers excellent impedance for both common mode and differential mode noise, as well as an auto-recover function for protecting the chip in the event of an overload. Its small size and low cost make it ideal for use in notebook computer power supplies, server motherboards, and LCD display applications.

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