AEMIF-0805-151M-16-T Filters

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EMI/RFI filters (LC, RC networks) are usually used to help preventing electromagnetic interference and radio frequency interference disrupt electronic device operations. The AEMIF-0805-151M-16-T is one such filter that offers advantage in size and performance.

Introduction

AEMIF-0805-151M-16-T is an EMI/RFI filter, also known as a LC/RC network, that is designed for applications requiring cheap and small size components for emission and low susceptibility to ingress interference. It is designed to reduce both conducted and radiated interference. AEMIF-0805-151M-16-T can be used in a variety of applications to reduce both radiated and conducted emission, from digital audio/video and switching power supply applications.

Application Field

The AEMIF-0805-151M-16-T is suitable for a wide range of applications that are subject to EMI/RFI requirements, such as digital audio/video, switching power supplies, industrial, consumer and automotive electronic products. Since AEMIF-0805-151M-16-T is a relatively small component, it can also be used in space-constrained applications.

Working Principle

AEMIF-0805-151M-16-T, as a non-polarized type, consists of two series of LC circuits. These LC circuits consists of a series of inductors and capacitors. By providing frequency dependent high attenuation, the filter can help reduce the propagation of noise in the high frequency range. AEMIF-0805-151M-16-T also consists of a polyester capacitance that helps attenuate the low frequency noise.

The low frequency part of AEMIF-0805-151M-16-T is responsible for suppressing the quasi-static interference created by environmental electric fields, while the high frequency component prevents the propagation of conducted noise on the supply’s power line. This makes the filter effective for suppressing conducted and radiated interference that is residing in the system.

Just like all EMI/RFI filters, AEMIF-0805-151M-16-T works by controlling the input power line to reduce the level of unwanted electrical emission or susceptibility to external interference. The filter contains LCR elements, which act as a low pass filter, that attenuates higher frequency components and limits the amplitude of peak signals to minimize the amount of noise that is allowed to enter the system.

Conclusion

The AEMIF-0805-151M-16-T is a small component that can be used in a variety of applications that are subject to EMI/RFI requirements. The LC/RC network that is provided with the filter helps attenuate both conducted and radiated interference. It is able to do this effectively by suppressing the low frequency quasi-static interference and also the high frequency conducted noise that is transmitted through the supply power line.

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