6/5/2026 9:05:34 AM   By  Andrew  in

7123-RC Common Mode Chokes / Filters by Bourns – Advanced EMI Suppression Solutions

The Common Mode Chokes / Filters 7123-RC by Bourns are high-performance filtering components engineered to reduce electromagnetic interference (EMI) and improve signal integrity in electronic systems. As essential Passive Components, these devices play a critical role in maintaining stable operation and ensuring compliance with electromagnetic compatibility (EMC) requirements.

Part of Bourns' trusted portfolio of Inductors, Chokes & Coils, the 7123-RC Common Mode Chokes / Filters are widely used in power supplies, industrial equipment, communication systems, and consumer electronics. In this blog, we'll explore the technical specifications, key features, applications, installation overview, datasheet information, and purchasing options available through XON Electronics.


Technical Specifications of 7123-RC

Manufacturer: Bourns

Part Number: 7123-RC

Product Type: Common Mode Choke

Technology: EMI Noise Suppression

Mounting Type: Through Hole

Core Type: Ferrite Core

Application: Noise Filtering and EMI Reduction

Function: Common Mode Noise Suppression

Category: Passive Components, Inductors, Chokes & Coils, Common Mode Chokes / Filters

The 7123-RC Common Mode Chokes / Filters by Bourns are designed to deliver effective noise attenuation while maintaining reliable circuit performance in demanding environments.


Key Features of 7123-RC Common Mode Chokes / Filters

Effective EMI Suppression

Reduces unwanted electromagnetic interference on power and signal lines.

Improved Signal Integrity

Helps maintain stable communication and power delivery performance.

Reliable Ferrite Core Design

Provides excellent common mode noise filtering characteristics.

Through-Hole Mounting

Easy PCB installation for industrial and commercial electronic applications.

Durable Construction

Designed for long-term reliability in challenging operating environments.

These benefits make the 7123-RC Common Mode Chokes / Filters by Bourns a preferred choice among engineers seeking high-quality Passive Components for EMI management.


Applications of 7123-RC

The 7123-RC Common Mode Chokes / Filters by Bourns are commonly used in:

  • Switching Power Supplies

  • Industrial Automation Equipment

  • Telecommunications Systems

  • Consumer Electronics

  • Data Communication Devices

  • Medical Equipment

  • Automotive Electronics

  • Network Infrastructure Hardware

As dependable Common Mode Chokes / Filters, they help minimize electrical noise and improve overall system performance.


Installation and Circuit Integration

Typical filtering configuration:

Power/Input Line

7123-RC Common Mode Choke

Protected Circuit

Filtered Output

The choke suppresses common mode noise before it reaches sensitive electronic components, helping improve reliability and EMC performance.


Use Case Scenario: Industrial Power Supply Design

Scenario

An industrial equipment manufacturer needed to reduce EMI emissions from a switching power supply.

Problem

Excessive electrical noise was causing communication errors and EMC compliance challenges.

Solution

The engineering team integrated 7123-RC Common Mode Chokes / Filters by Bourns into the power input stage.

Result

Significant EMI reduction, improved system stability, and successful EMC certification testing.

This example highlights why Inductors, Chokes & Coils remain essential components in modern electronic system design.


Download Datasheet for 7123-RC

Need complete electrical specifications, inductance values, dimensions, performance characteristics, and installation guidelines?

Download 7123-RC Datasheet from XON Electronics

7123-RC Datasheet (PDF)


Why Buy from XON Electronics?

XON Electronics supplies genuine Bourns products with expert technical support and worldwide shipping.

Benefits of Buying from XON

100% Genuine Bourns Components

Competitive Pricing

Global Delivery

Technical Support

Bulk Order Availability

Secure Online Purchasing

Whether you're sourcing Passive Components, professional Inductors, Chokes & Coils, or advanced Common Mode Chokes / Filters, XON Electronics provides trusted products for industrial and electronic applications.


Conclusion

The 7123-RC Common Mode Chokes / Filters by Bourns offer reliable EMI suppression, enhanced signal integrity, and dependable long-term performance. As high-quality Passive Components, these filtering solutions are ideal for power supplies, industrial equipment, telecommunications systems, and sensitive electronic devices.

Available now from XON Electronics with worldwide shipping and professional technical support.


FAQs – 7123-RC Common Mode Chokes / Filters by Bourns

Q1. What is the primary purpose of the 7123-RC Common Mode Choke?

It is designed to suppress common mode electromagnetic interference and improve circuit performance.

Q2. Where are Common Mode Chokes / Filters commonly used?

They are widely used in power supplies, communication systems, industrial electronics, and network equipment.

Q3. Why are these components classified as Passive Components?

They operate without requiring external power and help filter unwanted electrical noise in circuits.

Q4. What benefits do Inductors, Chokes & Coils provide?

They help reduce EMI, improve signal quality, and enhance overall system reliability.

Q5. Where can I buy 7123-RC Common Mode Chokes / Filters by Bourns?

You can purchase genuine 7123-RC Common Mode Chokes / Filters by Bourns from XON Electronics with global shipping and technical support.


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