CM1636-04DE

Resistance - Channel (Ohms):	200
Height:	0.022" (0.55mm)
Size / Dimension:	0.067" L x 0.053" W (1.70mm x 1.35mm)
Package / Case:	8-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Voltage - Rated:	--
Applications:	Data Lines for Mobile Devices
Operating Temperature:	-40°C ~ 85°C
ESD Protection:	Yes
Values:	R = 200 Ohms, C = 15pF
Series:	--
Attenuation Value:	30dB @ 800MHz ~ 6GHz
Center / Cutoff Frequency:	100MHz (Cutoff)
Number of Channels:	4
Technology:	RC (Pi)
Filter Order:	2nd
Type:	Low Pass
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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EMI/RFI Filters (LC, RC Networks) are key components in any commercial or industrial system that contains electrical or electronic components and controls. The filters provide a barrier between electrical and electronic components and the environment by blocking electromagnetic and radio frequency interference (EMI/RFI). This article will discuss the application field and working principle of the CM1636-04DE filter.The CM1636-04DE filter is a compact, low-cost, single-channel EMI/RFI filter, featuring high filtering performance and stability. It is designed to protect almost any electronic or electrical device from high-frequency interference between 0.1MHz and 2GHz. The filter has a small footprint and a wide temperature range, making it ideal for use in automotive and industrial applications.The typical applications of the CM1636-04DE include automotive electronics and electrical systems, industrial controllers, telecommunications systems, medical equipment, and other consumer electronics. It also provides improved signal quality and noise immunity for sensitive electronic instruments.The filter’s high-frequency shielding is achieved through the use of a ferrite core. This core is wound with an insulated copper wire, which provides an electromagnetic field that prevents interference from entering and leaving components. The filter’s nickel-plated surface and its non-conductive housing further enhance its EMI/RFI shielding performance.The CM1636-04DE filter works by filtering out high-frequency signals, allowing the desired low-frequency signal to pass through while rejecting interference. The filter is designed to provide optimal performance in a wide frequency range by controlling the inductance and capacitance of the electrical field around the components. The filter also reduces the resonance frequency of the device in order to maintain noise immunity.The filter’s capacitors and inductors also act as signal shaping devices. They adjust the signal from its current shape to one that meets the desired specifications. This signal shaping can reduce the impedance of the signal, increase the signal-to-noise ratio, and reduce the amplitude of the signal.To achieve maximum protection from EMI/RFI interference, it is important to install the filter in the optimum place within an electrical system. The filter should be placed as close as possible to the device being protected and should be centered between the power supply and the device. The filter should also be connected to a grounding point in order to properly dissipate any induced current.In summary, the CM1636-04DE filter is a compact, low-cost, single-channel EMI/RFI filter that provides high levels of protection from EMI/RFI interference. It is suitable for use in automotive and industrial applications and is designed to provide optimal performance in a wide frequency range. The filter works by filtering out high-frequency signals, allowing the desired low-frequency signal to pass through, while rejecting interference. To achieve maximum protection from EMI/RFI interference, it is important to install the filter in the optimum place within an electrical system.

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