CM1683-02DE

Current:	30mA
Height:	0.026" (0.65mm)
Size / Dimension:	0.079" L x 0.079" W (2.00mm x 2.00mm)
Package / Case:	8-UDFN Exposed Pad
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	Data Lines for Mobile Devices
Operating Temperature:	-40°C ~ 85°C
ESD Protection:	Yes
Values:	L = 3nH, C = 100pF
Series:	Praetorian®
Resistance - Channel (Ohms):	0.75
Attenuation Value:	40dB @ 1GHz
Center / Cutoff Frequency:	31MHz (Cutoff)
Number of Channels:	2
Technology:	LC (Pi)
Filter Order:	3rd
Type:	Low Pass
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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EMI/RFI filters are electronic components used to suppress or eliminate noise in an electrical system. The CM1683-02DE is one such component, designed specifically to reduce electromagnetic interference (EMI) and radio frequency interference (RFI). This article will provide an overview of the CM1683-02DE, including its application field and working principle.The CM1683-02DE is a two-pin EMI/RFI filter component designed and manufactured by China Mengnuo Technics Co., Ltd. The component operates using a dual-line filter configuration, with one for low-frequency noise suppression and the other for high-frequency noise suppression.The CM1683-02DE is primarily used to filter out high frequency disturbances and eliminate signal noise that may impede a system\'s performance. The filter includes a terminal and a shield, both molded in an environmental protection-grade RF shielding material. The terminal consists of two nickel-plated terminals molded to a silicone sheet and is designed for direct mounting onto a PCB.The CM1683-02DE is designed to filter out high frequency noise caused by electromagnetic disturbances that may interfere with a system\'s performance. It is often used in applications such as power supplies, computer servers, and communication equipment. It is also used in the automotive and aircraft industries.The filter works by reducing the size of the electromagnetic fields that cause the interference. The terminal consists of a pair of capacitors installed in series with an inductor, which forms part of the components\' shielding mechanism. The shielding mechanism also includes a ferrite core, which helps to absorb high frequency interference.The CM1683-02DE filter also works on the principle of differential mode and common mode reduction. The differential mode is when the filter blocks the interference current that is present in both (+) and (-) and the common mode is when the filter blocks the interference current that is present only in one of the two wires (+ or -).The CM1683-02DE filter is capable of providing an effective level of protection against a wide range of EMI and RFI disturbances. Its high common mode attenuation and low inductance make it particularly suitable for applications such as power supplies, data transmission lines, and audio systems.In conclusion, the CM1683-02DE is a two-pin EMI/RFI filter component designed to reduce electromagnetic interference and radio frequency interference. It has a terminal and a shield, both molded in an environmental protection-grade RF shielding material, and is designed for direct mounting onto a PCB. The filter works by reducing the size of the electromagnetic fields that cause the interference and blocks the interference current that is present in both (+) and (-). The CM1683-02DE filter is suitable for a wide range of applications and provides an effective level of protection against EMI and RFI disturbances.

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