NUF2221W1T2G Filters

Resistance - Channel (Ohms):	22
Height:	0.043" (1.09mm)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)
Package / Case:	6-TSSOP, SC-88, SOT-363
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	USB
Operating Temperature:	-55°C ~ 125°C
ESD Protection:	Yes
Values:	R = 22 Ohms, C = 42pF (Total)
Series:	--
Attenuation Value:	--
Center / Cutoff Frequency:	--
Number of Channels:	3
Technology:	RC (Pi)
Filter Order:	2nd
Type:	Low Pass
Part Status:	Active
Packaging:	Tape & Reel (TR)

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EMI/RFI Filters (LC, RC Networks)

Electromagnetic interference (EMI) and Radio Frequency Interference (RFI) have been an increasingly common issue in many applications nowadays, stemming from an ever-increasing number of electronic devices that are typically found in consumer goods, industrial and automotive applications. To combat this issue, EMI/RFI filters for shielding, decoupling and filtering purposes are all essential components.One of the most popular and effective types of filters in providing electromagnetic interference suppression is the NUF2221W1T2G. As its name implies, the NUF2221W1T2G is a shielded EMI/RFI filter that combines both the inductor-capacitor (LC) and resistor-capacitor (RC) networks. By combining these two networks together, the NUF2221W1T2G can provide a high level of immunity from both EMI and RFI, while still allowing a low amount of signal definition loss.The NUF2221W1T2G has been designed so that it can be used in a variety of different application types. For example, it can be used in audio/video systems, computer or home entertainment systems, and even automated control systems. The filter was also designed to meet the stringent requirements of the automotive industry, so it can also be used in cars, motorcycles, and power-intensive industrial equipment. To ensure the necessary level of EMI/RFI protection and signal definition, the working principle of the NUF2221W1T2G is quite straightforward. The filter consists of two types of networks - one being an LC network, and the other being an RC network - which are both shielded from their surroundings by a metal casing. The filter works by taking any unwanted high-frequency waves, such as EMI and RFI, and redirecting them around the filter before they can enter the main signal path. This is done using a combination of inductors and capacitors, which create an inductive reactance in opposition to the high frequency waves. This results in their energy dissipating harmlessly onto the shielding material, before they can enter the intended signal path. In addition to these inductive elements, the RC network is also present in order to reduce any low-frequency components that may exist in the filtered signal. By using series resistors and capacitors, the filter is able to attenuate any lower frequency signals, which means that only the highest frequency signals can reach the intended point, thus eliminating any possible interference. The main advantage of using the NUF2221W1T2G filter is that it provides a high level of shielding from both EMI and RFI interference, without sacrificing signal definition. This makes it ideal for a variety of different application types, including audio/video systems, computer or home entertainment systems, and even automated control systems. Furthermore, it meets the stringent requirements of the automotive industry, meaning it can also be used in cars, motorcycles, and power-intensive industrial equipment. Furthermore, the filter is easy to install and comes with a robust metal casing that can easily be mounted onto any existing unit without having to make any major modifications. This makes it an ideal choice for any application that requires a high level of reliability and protection from EMI and RFI interference. Overall, the NUF2221W1T2G filter provides a high level of EMI/RFI shielding and signal definition, and is easy to install, making it an ideal choice for any application that requires a high level of shielding from EMI and RFI interference.

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