EMIF02-USB03F2 Filters

Resistance - Channel (Ohms):	33
Height:	0.028" (0.70mm)
Size / Dimension:	0.076" L x 0.057" W (1.94mm x 1.44mm)
Package / Case:	11-WFBGA, FCBGA
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	USB
Operating Temperature:	-40°C ~ 85°C
ESD Protection:	Yes
Values:	R = 33 Ohms, C = 20pF
Series:	IPAD™
Attenuation Value:	--
Center / Cutoff Frequency:	--
Number of Channels:	2
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) can both cause significant problems for electrical devices by introducing spurious signals into them, resulting in such severe issues as poor performance and even device failure. EMI/RFI filters act to reduce EMI/RFI levels, and thereby improve the performance of the electronic equipment in which they are installed.One such device is the EMIF02-USB03F2, a compact, surface mountable EMI/RFI filter. It has three purpose designed filter sections, each of which offers a distinctive and independent characteristic impedance, making this device extremely efficient at suppressing both conductive and radiated EMI signals. The filter sections each employ a filter technology that is unique for both the shielding and attenuation of the EMI/RFI signals.The filter sections of the EMIF02-USB03F2 are made up of Low Pass Filter (LPF) networks and capacitor networks, each of which perform specific duties. The LPF networks provide low-bandwidth control, eliminating high frequency signals and peaking. The capacitor networks provide uniform low-noise, low-distortion characteristics.The LPF networks of the EMIF02-USB03F2 primarily consist of inductors and capacitors in a series form. The filter sections are organized in a cascade form, which allows for resonant and low impedance points across the power and ground planes, providing the LPF networks with complete filtering of EMI/RFI signals.The capacitor networks of the EMIF02-USB03F2 are based on a bandstop or bandpass filter type, which provides more effective protection than simple capacitors. These networks are built using high quality capacitors, each chosen to provide the required properties to suppress the EMI/RFI signal.The overall performance of the EMIF02-USB03F2 is such that it is capable of suppressing EMI/RFI signals over a wide range of frequency, both from continuous sources and from quick signal changes. This includes wide band noise or pulses, as found in common mobile phone network signals.The EMIF02-USB03F2 provides a very effective protection solution against EMI/RFI signals, with very low insertion loss. It is suitable for use in numerous applications due to its high performance and reliability, such as in automotive, industrial control, medical and audio/video systems.In order to install the EMIF02-USB03F2, the device should be connected in series with the signal to be filtered and the ground plane should be connected as well. This will ensure that current which is induced in the signal is returned back to ground, thus preventing unwanted interference.The EMIF02-USB03F2 is a highly efficient and reliable device that provides excellent protection of electrical signals from EMI/RFI interference. Its distinct filter sections and unique filter technologies enable it to effectively suppress EMI/RFI signals over a wide frequency range, making it suitable for numerous applications.

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