ACM-31-121M-T Filters

Voltage Rating - DC:	50V
Package / Case:	Horizontal, 4 PC Pad
Height (Max):	0.079" (2.00mm)
Size / Dimension:	0.118" L x 0.063" W (3.00mm x 1.60mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Voltage Rating - AC:	--
Series:	ACM-31
DC Resistance (DCR) (Max):	300 mOhm
Current Rating (Max):	370mA
Impedance @ Frequency:	120 Ohms @ 100MHz
Number of Lines:	2
Filter Type:	Signal Line
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Common Mode Chokes

Common Mode Chokes (CMC) have been used in industries for decades, as they offer efficient electromagnetic interference suppression. The ACM-31-121M-T is an excellent addition to the range of CMCs, offering excellent performance for customers who are looking for low profile and high power handling.

What is the ACM-31-121M-T Application Field?

The ACM-31-121M-T has a wide range of application fields, including power line filtering, data line filtering, and shielding from capacitive coupling. It is particularly well-suited for applications in which power-line interference needs to be mitigated without significantly increasing size. It is also particularly well-suited for data-line related applications, due to its low profile and its ability to significantly reduce common-mode line noise. In addition, its ability to shield capacitive couples makes it suitable for a variety of industries, such as telecommunications, automotive, and aerospace.

What is the Working Principle of the ACM-31-121M-T?

The working principle of the ACM-31-121M-T is based on its ability to suppress differential and common-mode interference. It achieves this by acting as an electromagnetic filter, trapping electromagnetic interference and preventing it from propagating. The ACM-31-121M-T consists of two main components: an inductor, and a capacitor. The inductor is responsible for providing the electromagnetic shield, whereas the capacitor is responsible for providing the electrical bypass useful for suppressing differential-mode interference.The inductor is designed to provide an optimal common-mode impedance, and reduce differential-mode impedance. This way, any common-mode spikes in the power supply, as well as differential-mode noise, are suppressed. The capacitor is used to provide electrical bypass around the inductor, thereby suppressing the differential-mode noise. It works in conjunction with the inductor to ensure that the differential-mode noise is filtered out and not propagated.

Conclusion

The ACM-31-121M-T is a great addition to the range of CMCs, offering excellent performance for customers who are looking for low profile and high power handling. Its ability to suppress both differential and common-mode interference makes it very useful in a variety of industries. Its optimal common-mode impedance and reduced differential-mode impedance ensures that any power-line interference is mitigated without significantly increasing size. In addition, its electrical bypass ensures that any differential-mode noise is filtered out, making it suitable for a wide range of applications.

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