Series:	EMIFIL®, BLM21
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	Power Line
Number of Lines:	1
Impedance @ Frequency:	330 Ohms @ 100MHz
Current Rating (Max):	1.5A
DC Resistance (DCR) (Max):	70 mOhm
Ratings:	AEC-Q200
Operating Temperature:	-55°C ~ 125°C
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.041" (1.05mm)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)

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Ferrite Beads and Chips

Ferrite beads and chips are common components in electrical and electronic hardware systems. They come in a variety of shapes and sizes to accommodate a wide variety of applications. The BLM21PG331SH1D, for instance, is a ferrite bead chip serve as an attenuator and low pass filter. It\'s particularly suitable for RF, microwave, and portable applications.This article aims to provide an overview of the BLM21PG331SH1D application field and working principle.

Application field

The BLM21PG331SH1D ferrite chip is most suitable for RF, microwave, and portable applications. It can be used in the designing of attenuating precision circuits, power circuits, and other control systems.Thanks to the low insertion loss of the BLM21PG331SH1D chip, it can also be used in sensor applications and interference suppression circuits. Furthermore, its high power handling capability makes it ideal for CompactPCI/PXI and industrial applications.

Working principle

The BLM21PG331SH1D chip functions by converting electrical energy to mechanical energy in the form of an attenuating inductor. This means that it is capable of suppressing common-mode noise and high frequency signals.The chip uses ferrite, which is a type of magnetic material, to store and transfer energy. Ferrite stores energy through a process known as inductance, which is a type of electrical property that opposes the flow of electrical current.The BLM21PG331SH1D chip makes use of this property to attenuate electrical signals. As electrical signals pass through the ferrite, the stored energy is released in the form of inductance, thus attenuating the signal.The chip features an integrated bypass capacitor which helps to reduce the storage of electrical energy. This helps to further reduce unwanted noise.

Conclusion

In conclusion, the BLM21PG331SH1D ferrite chip is perfectly suited for RF, microwave, and portable applications. It works by converting electrical energy to mechanical energy in the form of an attenuating inductor, thus suppressing common-mode noise and high frequency signals. The chip also features an integrated bypass capacitor to further reduce unwanted noise.

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