BLM18BD121SH1D Filters

Series:	EMIFIL®, BLM18
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	Differential Mode - Single
Number of Lines:	1
Impedance @ Frequency:	120 Ohms @ 100MHz
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.037" (0.95mm)
Size / Dimension:	0.063" L x 0.032" W (1.60mm x 0.80mm)

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Ferrite Beads and Chips

Ferrite Beads and Chips are electrical components that are advantageous in many applications as they help route and shield the flow of electrical signals. A common type of Ferrite Beads and Chips is the BLM18BD121SH1D. This reliable chip is found in many devices and often serves to reduce noise and interference from strong electromagnetic fields.

Application Field

The BLM18BD121SH1D is often used in many different applications due to its effectiveness in providing noise reduction and filtering. Some of the areas in which this chip is used include radio and television broadcasting, digital signal processing, and coupling and noise suppression. The chip is also hugely useful in controlling interference in audio systems, as well as for connecting headphones and microphones to an amplifier. As a result, many mobile phones and multiple audio systems contain this chip.The chip is key in providing filtering of high frequency interference; this is done by absorbing strong magnetic fields, which thus helps to reduce the level of interference when signals are conducted over a wide area. The chip’s ability to resist corrosion further increases its effectiveness in decreasing noise in any environment, no matter how hostile the atmosphere might be.

Working Principle

The ferrite beads and chips are made of a ferrite material, a substance that is composed of a mixture of ceramic and iron compounds. These ferrite beads are designed to evenly distribute the electromagnetic field and help reduce noise, thus making it easier for signals to travel with little interruption.The BLM18BD121SH1D chip works by blocking high-frequency noise so that signals traveling through the chip are only affected by low-frequency noise. This is done by creating a very efficient and sophisticated network of inductive and capacitive obstacles that absorb interfering noise and weaken its influence. The chip is thus able to maximize signal shielding and provide a clear signal path.The BLM18BD121SH1D chip is an effective device when it comes to reducing noise interference and making sure that signals remain mostly undisturbed. Its application in many areas has helped to make our devices and systems much more reliable, and its popularity comes from its strong ability to block out noise.

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