ILAS1206ER121V

Series:	ILAS-1206
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	Signal Line
Number of Lines:	4
Impedance @ Frequency:	120 Ohms @ 100MHz
Current Rating (Max):	350mA
DC Resistance (DCR) (Max):	300 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	1206 (3216 Metric), Array, 8 PC Pad
Mounting Type:	Surface Mount
Height (Max):	0.039" (1.00mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)

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Ferrite Beads and Chips: ILAS1206ER121V application field and working principle

Ferrite beads and chips, also known as ferrite cores or clips, are widely used in electrical and electronic devices. Mostly they are sawn into small wires, which can be soldered into place. They can also be used to decrease the signal loss in wires and increase the power capabilities of the device. The ILAS1206ER121V is a type of ferrite bead that is commonly used in electromagnetic interference (EMI) suppression applications.The ILAS1206ER121V is a three-terminal ferrite bead that works through a loop antenna to capture and attenuate high-frequency noise. The noise is suppressed and then filtered through the bead. This allows the device to have a low noise environment and also receive signals with minimal interference. The product is referred to as a shielding effect ferrite bead because of this capability.The ILAS1206ER121V has a typical inductance value of 120 to 131uH at 100kHz and an impedance that can reach as high as 10kΩ at 1MHz. To use the bead, the user must ensure that the applied AC voltage does not exceed its working voltage rating. In a typical application, an AC voltage of 5Vrms would be sufficient to achieve EMI suppression effectiveness.When it comes to EMI suppression, the ILAS1206ER121V application field mainly includes data communication cables and audio/video cables. It is also used in equipment with high frequency switching power supplies, DC/DC converters, and other electrical and electronic equipment that runs at high frequency levels. The inductance value provides a shielding effect around the cable, whereas the high impedance of the ILAS1206ER121V helps to reduce EMI noise interference.The working principle of the ILAS1206ER121V is based on the Faraday’s Law of induction. This states that a changing magnetic flux induces an electric potential in a neighbouring circuit. When the bead is exposed to an AC voltage, the magnetic flux changes around the bead due to the AC current. This produces an inductance, which attracts or repels the electrons and results in the EMF. This EMF will be out of phase with the original AC signal and induces a shielding effect.Another way that the ILAS1206ER121V works is by providing a convenient way to ground the power and data lines. It does this by providing a continuous grounding circuit that travels through the bead and results in the shielding effect. This eliminates any potential electrical noise that may affect the performance of the device.The ILAS1206ER121V is a great choice for any application that requires EMI suppression. Its high inductance value and impedance provide an effective shielding effect that reduces EMI noise interference. It also provides a continuous grounding path for the power and data racks.

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