VFS9VD31B223Q92J

Current:	7A
Height:	0.413" (10.50mm)
Size / Dimension:	0.472" L x 0.295" W (12.00mm x 7.50mm)
Package / Case:	3-SIP
Mounting Type:	Through Hole
Voltage - Rated:	12V
Applications:	Data Lines for Mobile Devices
Operating Temperature:	-40°C ~ 100°C
ESD Protection:	No
Values:	C = 0.022µF
Series:	EMIFIL®, EMIGUARD®, VFS9
Resistance - Channel (Ohms):	--
Attenuation Value:	--
Center / Cutoff Frequency:	--
Number of Channels:	1
Technology:	LC (T-Type)
Filter Order:	3rd
Type:	Low Pass
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to EMI/RFI Filters (LC, RC Networks)

EMI/RFI filters, also known as LC and RC networks, are components designed to reduce conducted and radiated electromagnetic interference (EMI) in electrical and electronic systems. They are most commonly used to improve the immunity of digital, analog, and power circuits to unwanted signals from the environment. These devices can also be used to control EMI emissions from the system to comply with relevant electromagnetic compatibility (EMC) and EMI regulations.

VFS9VD31B223Q92J Application Field and Working Principle

VFS9VD31B223Q92J is an EMI filter from Murata Manufacturing Co Ltd. It is a general purpose, low-frequency, L-C network filter for demanding applications. This component has a rated operating voltage of 250 VAC and an operating temperature range of -40 to +105°C. It features high attenuation characteristics and low insertion loss, making it suitable for use in a wide range of systems.The VFS9VD31B223Q92J is designed to reduce conducted EMI from the power line or input mains supply. It works by minimizing the current differences between the power line conductor and signal lines to mitigate coupled noise. The filter also has a high isolation voltage for high-frequency EMI reduction, and a low capacitance and an inductive element to reject low-frequency interference. It also uses a physical barrier between the power line conductor and the signal lines to minimize coupled EMI.The VFS9VD31B223Q92J reduces EMI without degrading the signal quality, making it suitable for sensitive application. The filter also has excellent reverse transfer impedance and zero time delay, ensuring it can capture and reject fast transient pulses that can cause system malfunction.

Conclusion

The VFS9VD31B223Q92J EMI filter from Murata Manufacturing Co. Ltd is an ideal solution for reducing conducted and radiated electromagnetic interference in various systems. It offers high attenuation capabilities, low insertion loss, and excellent reverse transfer impedance and zero time delay, which make it suitable for use in high-performance systems. It is also able to meet all the relevant electromagnetic compatibility and EMI regulations.

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