ET2835-035

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Common Mode Chokes are devices that are used in electronic circuitry to reduce or reduce electromagnetic interference (EMI). The ET2835-035 is an example of one such device that works to provide a method of filtering out unwanted EMI, allowing signals to pass through without adding additional energy or noise. This article will provide an overview of the ET2835-035 application field and working principle.

The ET2835-035 is an EMI filter designed for use in automotive applications. It is specifically designed to filter radiofrequency (RF) and electro-magnetic interference (EMI) propagated through automotive wiring systems. The ET2835-035 filter operates on the principle of common mode noise suppression, which works by creating a structure that creates an inductive path to divert current from the desired source, reject noise, and allow the desired signal to pass through unimpeded. This allows the ET2835-035 to act as an effective EMI suppressor for automotive applications.

The ET2835-035 can be used in multiple ways. The most common use cases include applications such as EMC testing, automotive EMC components, power converters, and consumer electronics. It is suitable for industrial, military, consumer and automotive applications and is also suitable for working in high temperature and elevated voltage environments. The ET2835-035 is a passive device, so it does not require a power supply or ancillary components to operate.

The ET2835-035 common mode choke is made up of three basic components: a coil, a tinned wire, and a ferrite core. The coil is wound around the wire and the ferrite core. The purpose of the coil is twofold: to provide the inductance necessary to create the common mode noise suppression, and to provide electrical isolation between the tinned wire and the ferrite core. The tinned wire carries the signal to be filtered through the core, while the ferrite core serves as a shield, rejecting noise and allowing the desired signal to pass through unimpeded.

The ET2835-035 is designed to operate over a wide range of frequencies, from 150 MHz to 1.2 GHz. The ET2835-035 is designed to provide high levels of attenuation for common mode noise, with typical insertion loss of up to 70 dB. The attenuation performance is independent of frequency, meaning it can provide consistent levels of filtering across its entire operating range.

When selecting an ET2835-035 common mode choke, it is important to ensure that the device is compatible with the application at hand. Factors such as operating temperature range, frequency range, voltage rating, and maximum loop inductance must all be taken into consideration. Additionally, the common mode choke must be correctly installed and maintained to ensure maximum performance.

In summary, the ET2835-035 is a high-performance common mode choke that is designed for use in automotive applications. Its core components consist of a coil, a tinned wire, and a ferrite core, providing high levels of EMI attenuation across a wide range of frequencies. It is important to ensure that the device is compatible with the application before purchase, and that it is correctly installed and maintained for maximum performance.

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