BLA31AG221SN4D Filters

Series:	EMIFIL®, BLA31
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	--
Number of Lines:	4
Impedance @ Frequency:	220 Ohms @ 100MHz
Current Rating (Max):	150mA
DC Resistance (DCR) (Max):	250 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 Ferrite beads and chips are small electronic components, usually made of a ceramic material containing iron or manganese, and zinc or cobalt. They are found in a huge variety of electronic circuits, from consumer items like power supplies and MP3 players to more complex industrial applications.The BLA31AG221SN4D is one of the many ferrite bead and chip products available in the market. It is used primarily for the smoothing of power currents in order to reduce electromagnetic interference (EMI). The name suggests that this bead is 31 ohms in impedance, with a A-grade dielectric constant of 221 and an SN (semi- molding) form factor. In addition, this part has a 4 position mounting surface. Ferrite beads work by providing DC signal isolation and reducing high frequency noise. They operate as high-impedance blocks at low frequencies (below ~100kHz) and as low-impedance blocks at higher frequencies. The latter effect is achieved by detuning the power supply, which alters the resonance associated with the oscillation of electrons in the circuit, preventing high frequency noise from spreading. Additionally, the BLA31AG221SN4D can be used for decoupling, allowing DC signals to be isolated from one another. When installing the BLA31AG221SN4D, it is important to check that it is properly seated and to ensure that no adjacent components are too close to it. In some cases, it is necessary to bend the pins of the ferrite to facilitate installation. Further, the bead should be placed close to the power supply lines, as it is usually necessary to provide some grounding in order to maximize the effectiveness of the device.In conclusion, the BLA31AG221SN4D from Ferrite Beads and chips is a versatile electronic component that can be used for a wide range of applications. It can smooth out DC power supplies and reduce EMI, as well as isolate DC signals from another. When installing the BLA31AG221SN4D, it is important to check the installation and then provide some grounding for maximum effectiveness.

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Part Number	Manufacturer	Price	Quantity	Description