DLW5BTH142TQ2L Filters

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Common Mode Chokes are a type of inductor that is used to prevent unwanted currents from flowing through electrical devices. The DLW5BTH142TQ2L is an example of one of these high-frequency components that is used in a variety of applications. This article will discuss the application field and working principle of the DLW5BTH142TQ2L.

The DLW5BTH142TQ2L is a common mode choke designed for use in high-frequency (dark blue line, 200kHz and above) switching power supplies and other power conversion systems. These power systems typically include a primary and secondary side, with the primary side being the power source (typically AC input) and the secondary side providing DC output. The DLW5BTH142TQ2L serves as a filter between the primary and secondary sides and helps to prevent any noise or interference from the primary side from getting into the secondary side and compromising its operation.

In terms of its working principle, the DLW5BTH142TQ2L uses two windings (a primary and a secondary winding) wound around a ferrite core. The primary winding is wound around the outside of the core, while the secondary winding is inside. Both windings are connected in series and the choke is connected in parallel with the load. When alternating current passes through the primary winding, a magnetic field is created and this field is then “transformed” through the ferrite core and into the secondary winding. This electrical transformation from the primary to the secondary winding creates a voltage drop, which is then passed on to the load. This is known as the inductance effect and is the basis of how the DLW5BTH142TQ2L works to filter out unwanted noise or interference.

The DLW5BTH142TQ2L is particularly useful in applications such as switching power supplies, DC-DC converters, and other power conversion systems. It helps to ensure that noise or interference from the power source does not affect the output and thus maintains system performance and stability. In addition, the DLW5BTH142TQ2L can also be used as an EMI filter to help reduce unwanted emissions from radiated and conducted sources.

In summary, the DLW5BTH142TQ2L is a type of common mode choke designed for use in high-frequency switching power supplies and other power conversion systems. It works by using two windings (a primary and a secondary winding) wound around a ferrite core, which helps to filter out unwanted noise or interference from the power source. The DLW5BTH142TQ2L is particularly useful in applications such as switching power supplies, DC-DC converters, and other power conversion systems, and can also be used as an EMI filter to reduce unwanted emissions.

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