TLF9UA103WR23

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Common mode chokes, also known as line filters, are electromechanical filters used to attenuate differential noise or interference between two conductors. TLF9UA103WR23 application field and working principle are typical example of these filters.

The TLF9UA103WR23 is a two-channel common mode filter designed to eliminate common mode noise and interference between two parallel wires. The device provides high differential attenuation from 10 kHz to 2kHz, with up to -40dB of attenuation at 1 MHz. It is fabricated using multilayer metal oxide films which provide excellent common and differential mode performance. The device also features low electrical loss, high energy absorption capabilities, and excellent electromagnetic compatibility (EMC).

The working principle of the TLF9UA103WR23 is relatively simple. It consists of two layers of interconnected metal oxide films which act as inductors in series with a shunt capacitor. When connected to two parallel signal paths, the inductors form a low-pass filter, while the capacitor provides high-frequency bypass. The combined inductance of the metal oxide films provides high common mode inductance, which allows the device to provide high differential attenuation. At the same time, the shunt capacitor prevents the high frequency from passing through, as it can only pass through the device if the impedance of the filter is low.

The TLF9UA103WR23 is suitable for a wide range of applications, such as in networking and multimedia applications where differential-mode noise reduction is a priority. This device is particularly well suited for use in analog video applications, where it can reduce differential noise from power lines or other sources. It can also be used in digital signal applications where common mode noise is a concern.

The TLF9UA103WR23 is a versatile common mode filter suitable for use in a wide range of applications. It provides high differential attenuation and excellent EMC performance, making it an ideal choice for applications where differential or common mode noise reduction is needed. Its high energy absorption capabilities make it a good choice for applications that require reliable protection against unexpected power surges or other interference sources.

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