ACM-21-900M-T Filters

Voltage Rating - DC:	50V
Package / Case:	Horizontal, 4 PC Pad
Height (Max):	0.055" (1.40mm)
Size / Dimension:	0.079" L x 0.047" W (2.00mm x 1.20mm)
Mounting Type:	Surface Mount
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Voltage Rating - AC:	--
Series:	ACM-21
DC Resistance (DCR) (Max):	300 mOhm
Current Rating (Max):	400mA
Impedance @ Frequency:	90 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)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Common Mode Chokes

Common Mode Chokes (CMCs) are a type of electronic filter used to reduce or dampen noise that emerges between two devices and is present on both signal lines between the two. CMCs are critical components used in many electronic applications, and provide EMC (electromagnetic compatibility) for a system or subsystem. The most common CMC is ACM-21-900M-T, which is suitable for high power frequency line filter designs.

Application Field of ACM-21-900M-T

The ACM-21-900M-T has a wide range of applications in various industries, including some of the following:

• High power frequency line filter designs
• DC power line noise suppression or attenuation
• Automotive engine control systems
• Videoconference systems
• Instrumentation and audio systems
• Medical equipment
• Automation systems and many more.

It is designed to provide excellent surge and overvoltage protection, and while its primary purpose is to reduce common mode noise, it also helps to provide proper signal isolation. Moreover, these chokes are also used in telecom systems such as ADSL modems and IP phones.

Working Principle of ACM-21-900M-T

The ACM-21-900M-T is a high current common mode choke suitable for high power frequency designs. It is constructed with an inner core of powdered iron which is shaped into a torroidal winding with two main windings and four connection terminals. The two main windings are wound in opposite directions and can be connected in series or parallel.When two signals travelling in opposite directions are applied to the two windings, the induced voltage creates a current direction in the core proportional to the differential voltage of the two signals. The current that circulates through the core generates the common mode inductance, which provides the common mode filtering.In addition to providing common mode filtering, ACM-21-900M-T also helps to block noise or interference signals, such as conducted electromagnetic energy or EMPs, which can interfere with sensitive devices connected to the electronics. This helps to reduce electromagnetic interference between components and make sure that only the desired signals are passed through the system, resulting in clean, reliable signal transmission.The ACM-21-900M-T also provides high surge protection and efficiently suppresses high-frequency electrical noise. Its robust construction and ability to withstand high temperatures makes it suitable for a wide range of applications and environment conditions.

Conclusion

The ACM-21-900M-T is a high power frequency common mode choke suitable for many electronic circuit applications, and its various features make it one of the most widely used CMCs in today\'s market. Its ability to provide effective noise suppression, EMC protection, surge protection, and high-frequency electrical noise suppression make it one of the most reliable components available. Its various features make it a valuable component in many industries, and it is sure to continue providing reliable performance for many years to come.

The specific data is subject to PDF, and the above content is for reference