PA2748NL

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Common mode chokes like PA2748NL are electrical components used to suppresshigh-frequency common-mode currents on balanced signal lines. These components are widely applicable to power supplies, voltage signal separation, and other communications circuits. This article will explain the application field and working principle of PA2748NL.

Application Field

The application field of PA2748NL common mode chokes covers the following aspects:

• Power Supply: PA2748NL are used in power supplies to reduce EMI/EMC interference, suppress high frequency noise, and protect circuits from ESD.
• Voltage Signal Separation: PA2748NL are capable of separating sensitive signals from power supplies, reducing interference and ensuring error-free signal transmission.
• Communication Circuit: PA2748NL are used in communication circuits to ensure error-free transmission and enhance the communication stability Performance.

Working Principle

PA2748NL common mode chokes are single−layer double−winding chip inductors that have a core made of ferrite material. By utilizing a single−layer winding process with two windings that are symmetrically opposed, common mode impedance is created and common mode noise is suppressed. The common mode choke consists of a single section, and its mechanical and electrical characteristics make it particularly suitable for a variety of application fields.

The PA2748NL utilises a ceramic package and insulation technology to isolate the inner silicon core from the outside environment. This isolation layer prevents the torque from the winding process from affecting the mechanical stability of the center core. When a voltage passes through the winding, a magnetic flux is generated, which passes through the ferrite core to reduce the current flowing through the device. The PA2748NL effectively suppresses common-mode noise and offers superior common-mode noise suppression characteristics in high-frequency switching power supplies.

Conclusion

PA2748NL common mode chokes are widely applied in power supplies, voltage signal separation, and other communications circuits. This article has expounded the application field and working principle of PA2748NL. One of the main features of PA2748NL is its single-layer double-winding design, which is implemented using ceramic package and insulation technology to effectively suppress common-mode noise.

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