RN214-2-02-4M2

Voltage Rating - DC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.996" (25.30mm)
Size / Dimension:	0.906" L x 0.610" W (23.00mm x 15.50mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	ENEC, UR, VDE
Ratings:	--
Operating Temperature:	-40°C ~ 100°C
Voltage Rating - AC:	300V
Series:	RN
DC Resistance (DCR) (Max):	100 mOhm (Typ)
Current Rating (Max):	2A
Inductance @ Frequency:	4.2mH @ 10kHz
Number of Lines:	2
Filter Type:	Power Line
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction

Common Mode Chokes (CMCs) are used in a variety of electronic systems ranging from low-frequency switching power supplies to high-frequency radio frequency (RF) and microwave applications. CMCs are designed to suppress noise and interference caused by balanced or differential signals. One particular CMC, the RN214-2-02-4M2, is a four-pole ferrite-based CMC designed for the suppression of common mode noise on cables used in telecommunications, industrial, and automotive applications.

Application Fields

The RN214-2-02-4M2 CMC provides effective suppression of common mode noise in a variety of applications. In low-frequency power applications, the CMC can be used to reduce noise from switching sources such as DC-DC converters and uninterruptible power supplies (UPSs). The frequency range of operation is from 0 MHz to 300 MHz. In telecommunications applications, the CMC is suitable for suppression of common mode noise in applications such as Local Area Networks (LANs) and Voice Over Internet Protocol (VoIP) systems. The frequency range of operation is from 2.5 MHz to 300 MHz. In the industrial application field, the CMC can be used to reduce EMI noise in a variety of process control systems. The CMC also provides effective noise suppression in remote transmission systems operating on frequencies within the range of 2.5 MHz to 300MHz. The size of the RN214-2-02-4M2 provides a convenient solution for applications where space is limited. In automotive applications, the CMC can be used to suppress EMI noise in various systems including engine control, transmission, and infotainment systems. The frequency range of operation is from 0 MHz to 300MHz.

Working Principle

The RN214-2-02-4M2 CMC works based on a simple principle. The internal ferrite core of the CMC produces a magnetic field that acts as a low-pass filter for signal noise. The ferrite core is arranged in four sections that work together to block higher-frequency noise while allowing desired signals to pass through with minimum attenuation. The four sections of the core form two separate inductors. These inductors pass the mutual inductance of signals at the desired frequencies while blocking common-mode noise. The RN214-2-02-4M2’s four-pole design provides superior noise suppression in a variety of applications. The CMC’s four-pole design reduces inter-winding capacitance and mutual inductance, providing a greater degree of signal separation. This allows the CMC to effectively attenuate higher-frequency noise while preserving signal integrity. For optimal system performance, the RN214-2-02-4M2 CMC should be mounted on a circuit board with an ambient temperature of 0°C to +105°C. It is also recommended that the CMC be placed as close as possible to the source of the interference to reduce noise propagation.

Conclusion

The RN214-2-02-4M2 CMC is an effective solution for the suppression of common mode noise. Its four-pole design helps to reduce higher-frequency noise, while its space-saving size makes it an ideal solution for applications where space is limited. The RN214-2-02-4M2 operates on frequencies from 0 MHz to 300MHz, making it suitable for a variety of applications ranging from low-frequency power to high-frequency RF/microwave. With its optimal noise suppression capabilities and wide frequency range of operation, the RN214-2-02-4M2 CMC is a reliable choice for any application where suppression of common mode noise is required.

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