EH28-3.0-02-9M0-X

Voltage Rating - AC:	250V
Package / Case:	Horizontal, 4 PC Pin
Height (Max):	0.941" (23.90mm)
Size / Dimension:	1.102" L x 1.102" W (28.00mm x 28.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-25°C ~ 100°C
Series:	EH
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	115 mOhm
Current Rating (Max):	3A
Inductance @ Frequency:	9mH @ 400Hz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active
Packaging:	Tube

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Introduction:Common Mode Chokes are a type of electrical component used to reduce conducted interference in electrical and communication systems. The EH28-3.0-02-9M0-X is a specific make and model of common mode choke, and is used in a variety of applications. It is important to understand the working principle and application fields of this particular common mode choke in order to properly utilize it in a design or installation.Working Principle:The working principle of the EH28-3.0-02-9M0-X common mode choke is based on the concept of inductive reactance. Inductive reactance is the opposition to the flow of current through an inductor caused by magnetic fields that build up around it. This inductive reactance limits the current that is able to flow through the inductor, allowing it to filter out certain frequencies of conducted interference from an electrical signal.In the EH28-3.0-02-9M0-X common mode choke, this inductive reactance is created by two semiconducting coils wrapped together, which helps to increase the overall inductance of the choke. This coil design allows for a wide range of frequencies to be filtered out of the signal, making it especially useful in applications that require greater interference rejection. Application Fields:The EH28-3.0-02-9M0-X common mode choke is primarily used in devices that require high levels of electromagnetic interference (EMI) protection. These devices include those used in industrial, medical, and automotive electronics, as well as sensitive audio/video equipment. The EH28-3.0-02-9M0-X choke is ideal for use in industrial and automotive applications due to its high inductive reactance and wide frequency filtering range. This makes it especially useful for shielding sensitive equipment from heavy EMI interference, such as that which is generated by high-voltage motors or other devices. The EH28-3.0-02-9M0-X choke is also frequently used in medical electronics to prevent patient safety hazards caused by EMI. It is especially useful in equipment used in research laboratories, where it is important to filter out any interference generated by radio frequencies or other sources to ensure accurate measurements.Conclusion:The EH28-3.0-02-9M0-X common mode choke is a versatile and reliable component used to reduce conducted interference in a variety of applications. Its wide frequency filtering range and high inductive reactance make it especially well-suited for industrial, medical, and automotive electronics, as well as sensitive audio/video equipment. When utilized properly, this choke can provide reliable protection against EMI interference, allowing for more accurate and reliable operation of electronic devices.

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