5ER3

Power Line Filter Modules --- 5ER3 Application Field and Working Principle

The 5ER3 model power line filter module is a cost-effective solution designed to protect electronic equipment from the interference caused by electromagnetic fields in a wide spectrum of electrical environments. Featuring a dielectric medium with low pass filtration characteristics, the 5ER3 is billed as a multi-purposed power line filter module suitable for a variety of applications.

The 5ER3 power line filter module is typically used in a variety of applications such as industrial automation, home automation, medical equipment, and other commercial applications in which electromagnetic noise can be disruptive. The primary function of the 5ER3 is to filter out interference from electrostatic discharge, conducted and radiated emissions. It is capable of filtering out up to 50 MHz EMI/RFI and can reduce noise to as low as 1% of signal amplitude.

Principle of Operation

The 5ER3 power line filter module operates on the principle of differential mode and common mode noise cancellation. The 5ER3 module has a balanced transformer which isolates the incoming signal from the external environment, thus providing differential mode filtering. The module also contains two inductors which act as low pass filters for common mode current noise. These inductors are connected in series so as to provide common mode noise cancellation.

The 5ER3 module also has an EMI/RFI suppressor plate which provides additional filtering to reduce the amount of interference reaching the device in question. The EMI/RFI suppressor plate is made up of a ferrite core, which is coated with a dielectric medium, often silicone. The ferrite core acts to absorb any EMI/RFI signals before they can reach the electronic device.

Advantages of the 5ER3

The 5ER3 power line filter module contains several advantages over other power line filtering solutions due to its compact and lightweight design. Because of its low profile, the 5ER3 can be installed in spaces where other solutions may not fit. Additionally, it requires fewer components than other solutions which makes it more economical. The 5ER3 also provides an adjustable cut-off frequency so that the filter can be set to specific requirements. This is a major advantage over fixed frequency filters.

The 5ER3 power line filter module also has an advantage over traditional shielding techniques due to its robust design. The 5ER3 utilizes a dielectric medium which provides excellent attenuation of EMI/RFI signals but does not require the additional costs and fabrication time that is associated with creating custom shielding components.

Conclusion

The 5ER3 power line filter module is a cost-effective solution that provides excellent protection against EMI/RFI interference. The module contains a balanced transformer, two inductors for common mode noise cancellation, and an adjustable cut-off frequency EMI/RFI suppressor plate. It is designed to be inexpensive, lightweight, and compact, making it suitable for a variety of applications.