EXC-14CH350U Filters

Voltage Rating - DC:	5V
Package / Case:	0302 (0806 Metric), 4 Lead
Height (Max):	0.020" (0.50mm)
Size / Dimension:	0.033" L x 0.026" W (0.85mm x 0.65mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Voltage Rating - AC:	--
Series:	EXC14
DC Resistance (DCR) (Max):	1.5 Ohm
Current Rating (Max):	100mA
Impedance @ Frequency:	35 Ohms @ 100MHz
Number of Lines:	2
Filter Type:	Signal Line
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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EXC-14CH350U is a Common Mode Choke (CMC) designed for frequency up to 350MHz. CMCs are used to reduce electromagnetic interference (EMI) in electrical and electronic systems. The EXC-14CH350U is intended for industrial applications, such as machine control, servo systems, and data acquisition.Common mode chokes are a type of passive component that blocks high-frequency currents that induce and/or disperse electromagnetic interference (EMI) in a system. CMCs are commonly used as filters and power line baluns, and provide an efficient means for reduc- ing interference and noise in electronic circuits. The EMI levels that can be reduced by CMCs depend on the frequency and severity of the interference, the CMC size, and the CMCs insertion loss.The EXC-14CH350U is a compact, single-stage CMC designed for maximum efficient operation in frequencies ranging from 100MHz to 350MHz. The total insertion loss (TIL) of the EXC-14CH350U is typically 1.5dB. This CMC features a shielded construction with a copper alloy core and is designed for surface mounting. The EXC-14CH350U also features a high-performance cross-sectional inductance of 830nH in the common mode from 100MHz to 350MHz.The EXC-14CH350U operates by creating a magnetic field that is in phase with the interfering signal. This field is then used to filter out unwanted frequencies while allowing desirable signals to pass through. The CMC uses a series of internal windings to generate the required magnetic field. The CMC is connected to the source of interference and the interfering signal is then channeled through the CMC.There are several advantages to using the EXC-14CH350U for EMI reduction. Firstly, the device is designed to provide protection from interference caused by sources such as electric motors, switch mode power supplies, and transmitter/receiver devices. Secondly, the CMC is very compact and offers a low total inductance which reduces the losses associated with high frequency currents. Thirdly, the CMC is double shielded, which significantly reduces the risk of external interference. Finally, the device is designed to be mounted on a PCB, which reduces installation time.The EXC-14CH350U is a high-performance CMC for EMI reduction and provides an efficient solution for industrial applications. Its compact size and low total inductance make it well suited for system integration. Furthermore, the CMC is designed for surface mounting and double shield- ed, which reduces the risk of external interference. As a result, the EXC-14CH350U is an ideal device for EMI reduction in servo systems, data acquisition systems, and other industrial applications.

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