Resistance - Channel (Ohms):	20
Height:	0.020" (0.50mm)
Size / Dimension:	0.098" L x 0.047" W (2.50mm x 1.20mm)
Package / Case:	12-XFDFN
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	LAN, PCS, WAN
Operating Temperature:	-40°C ~ 85°C
ESD Protection:	Yes
Values:	R = 20 Ohms, C = 21pF (Total)
Series:	PEMIxQFN
Attenuation Value:	14dB @ 800MHz ~ 3GHz
Center / Cutoff Frequency:	--
Number of Channels:	6
Technology:	RC (Pi)
Filter Order:	2nd
Type:	Low Pass
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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EMI/RFI Filters (LC, RC Networks)

Introduction

Electromagnetic interference (EMI) and radio frequency interference (RFI) Filters are used as an interference suppression device to protect the electrical equipment from interference caused by electromagnetic radiation. These filters protect the circuit from interference caused by both high-frequency transient radiation as well as conducted interference. The purpose of EMI and RFI filters is to stop or reduce signals that are causing interference without excessively attenuating the signals of interest.

PEMI6QFN/CR,132 Application Field and Working Principle

The PEMI6QFN/CR,132 is a combination EMI/RFI Filter which is used to suppress EMI and RFI interference in low voltage and high voltage applications. This combination filter features high current capability and low inductance. It is suitable for use in industrial, commercial, consumer, automotive, and medical applications.The PEMI6QFN/CR,132 EMI/RFI filter is designed to provide a shield between two circuits while providing attenuation and immobilization of EMI/RFI signals that could cause undesired interference. The EMI/RFI filter contains a series of inductors and capacitors which are connected in a particular sequence to create an attenuating filter that reduces the amount of interference that is transmitted between two circuits. The inductors provide a low-pass response to EMI/RFI signals while the capacitors provide a high-pass response to the same signals. The combination of these components creates an attenuating filter that can reduce the amount of interference that is transmitted between two circuits. The PEMI6QFN/CR,132 is designed with a high maximum current rating and a low series inductance to ensure high performance and reliability in EMI/RFI filter applications.The PEMI6QFN/CR,132 is available in a variety of packages, including DIP, leadless chip carrier, surface mount, and dual in-line packages. The combination EMI/RFI filter is ideal for many applications that require a high level of shielding, and attenuation, while still meeting low-noise requirements.

Conclusion

The PEMI6QFN/CR,132 EMI/RFI filter is a combination filter ideal for many EMI/RFI applications in automotive, commercial, industrial, medical, and even consumer applications. It has a high maximum current rating and low series inductance ensuring high performance and reliability. The combination filter consists of inductors and capacitors connected in a particular sequence to create an attenuating filter that reduces the amount of interference that is transmitted between two circuits. The PEMI6QFN/CR,132 is available in a variety of packages and is a great option for applications that require a high level of shielding and attenuation, while still meeting low-noise requirements.

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