BLM18EG471SH1D

Series:	EMIFIL®, BLM18
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	--
Number of Lines:	1
Impedance @ Frequency:	470 Ohms @ 100MHz
Current Rating (Max):	500mA
DC Resistance (DCR) (Max):	210 mOhm
Ratings:	AEC-Q200
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.037" (0.95mm)
Size / Dimension:	0.063" L x 0.031" W (1.60mm x 0.80mm)

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Ferrite Beads and ChipsFerrite beads and chips are an important part of industrial electronics, used to control and filter electronic signals. Ferrite beads, also known as ferrite cores, are generally cylindrical pieces of magnetic material, usually made from ceramics or iron, and are used to shunt high frequency noise currents away from electronic components. These beads and chips, often have a series circuit of two or more inductors, with additional capacitors to form a filter which blocks out unwanted noise.The BLM18EG471SH1D is a ferrite chip, designed for use in consumer and commercial electronics and telecommunications instruments. This chip is used to reduce EMI (Electromagnetic Interference), a form of electrical noise which can degrade the performance of electronic circuits. The BLM18EG471SH1D ferrite chip use a distributed barrier structure and special material formulations to provide superior EMI attenuation of 1GHz or higher signals. The ferrite chips are designed to reduce both in-band noise and out-of-band noise, and can provide better EMC (Electromagnetic Compatibility) performance than solutions without ferrite components.The BLM18EG471SH1D chip has applications in a wide range of electronics and telecommunications instruments. In consumer electronics, this chip can be used for EMI control in audio/video products, gaming consoles, network routers and broadcast equipment. In telecommunications, the chip can be used for EMI control in mobile phones, WLAN equipment, base stations and satellite systems. The chip can also be used in automotive electronics such as navigation systems, car audio systems, and engine control units.The working principle of the BLM18EG471SH1D ferrite chip is based on its distributed barrier structure. This structure consists of a special metal-magnetic material that creates a distributed frequency-dependent high impedance barrier that can attenuate high frequency noise. The distributed barrier is usually created by depositing metal layers on a ferrite substrate and patterning them using lithography. The number and size of the patterned metal layers determines the frequency response of the distributed barrier, which can be tuned as required for different applications.The BLM18EG471SH1D ferrite chip is capable of attenuating high frequency signals up to 8GHz, which makes it ideal for use in a wide range of EMI control applications. The distributed barrier structure provides superior EMI attenuation performance, as well as excellent temperature stability and low insertion loss. The chip is also resistant to corrosion and moisture, making it suitable for use in harsh environments. For these reasons, the BLM18EG471SH1D ferrite chip is a popular choice for EMI control in many consumer and commercial electronics and telecommunications applications.

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