HF3545-472Y4R0-T01

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Common mode chokes are used to reduce the common mode currents, typically from high-frequency noise induced in the system. The part of HF3545-472Y4R0-T01 that belongs to this category is an ideal choice for applications demanding high common mode attenuation, with a broad frequency range and wide range of impedance variants.

This part has a wide range of application fields, which can be divided into the following categories: power supply filtering, motor drive system interference suppression, signal line interference suppression, modem and antenna interference suppression, shield line interference suppression, and general purpose interference suppression.

Power supply filtering — Power supply filter chokes usually have low inductance values, operating at relatively low frequencies and relatively low current conditions. The HF3545-472Y4R0-T01 has a relatively low impedance at the rated frequencies of 65kHz, thus making it a suitable choice for power supply filtering. Additionally, the wide inductance range of 0.08 μH to 470 μH also makes it a versatile choice.

Motor drive system interference suppression — The HF3545-472Y4R0-T01 can be used to reduce AC and DC line noise disturbances in motor drive systems. In this application, the choke helps to ensure the stable operation of the system by preventing the motor from becoming unstable due to electrical disturbances, which can lead to a shorter lifespan for the motor.

Signal line interference suppression — The broad range of inductance values offered by the HF3545-472Y4R0-T01 allow the designer to choose a suitable size for filtering signals lines, depending on the frequency of the noise. This is particularly important for signal lines since interference can cause distortion or even data loss.

Modem and antenna interference suppression — The choke can be used in wireless applications, such as modems and antennas, to reduce the interference caused by the transmitted signals. This is done by using the choke which is mounted across the antenna coax, thus blocking the noise that can affect the modem or antenna\'s performance.

Shield line interference suppression — Shield lines are used to prevent noise from being transmitted across different circuits. Wherever possible, shield lines should be connected to ground at the source and connected to the line with HF3545-472Y4R0-T01. This helps to reduce the voltage build-up on the line, which can cause interference.

General purpose interference suppression — In general applications, where the frequency of the noise is not known or can not be estimated accurately, HF3545-472Y4R0-T01 can be used to reduce the interference. The wide range of inductance values allows for an appropriate size to be chosen for whatever the noise might be.

The working principle of the HF3545-472Y4R0-T01 is similar to other common mode chokes. A common mode choke basically has two windings which are connected in series and are magnetically coupled. When a common mode noise current passes through it, the magnetic field generated causes the current to be redistributed and attenuated as it passes through the choke. This effectively reduces the amount of noise current reaching the other end of the circuit.

The HF3545-472Y4R0-T01 has a wide frequency range which makes it suitable for use in a variety of applications. The inductance range also allows the designer to choose a suitable choke which can provide effective noise attenuation. Therefore, the HF3545-472Y4R0-T01 can be used to reduce common mode noise in a variety of applications.

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