CM7560R-104

Ⅰ.Overview of CM7560R-104

The CM7560R-104 is a type of common mode choke, a key electronic filter component designed to suppress common mode noise in electrical circuits. Common mode noise refers to unwanted electrical signals that appear on both lines of a balanced circuit with respect to ground, which can interfere with the normal operation of electronic devices. Common mode chokes achieve noise suppression by utilizing two or more windings on a single magnetic core, creating a high impedance to common mode signals while allowing differential mode signals (the desired signals) to pass through with minimal attenuation. The CM7560R-104 is specifically engineered to provide effective noise reduction in various applications, ensuring the stability and reliability of electronic systems.

Ⅱ.CM7560R-104 Parameter

Category:Filters,Common Mode Chokes

Manufacturer:Delevan

Series:CM7560R

Packaging:Bulk

Part Status:Active

Number of Lines:2

Inductance @ Frequency:100 µH @ 1 kHz

Current Rating (Max):5.5A

DC Resistance (DCR) (Max):13mOhm

Operating Temperature:-55°C ~ 125°C

Ⅲ.CM7560R-104 Main Characteristics

Effective Common Mode Noise Suppression:The primary characteristic of the CM7560R-104 is its ability to effectively attenuate common mode noise. By leveraging the mutual inductance between its windings, it presents a high impedance to common mode signals, diverting them to ground or absorbing their energy, thus reducing their impact on sensitive circuit components.

Low Differential Mode Attenuation:While suppressing common mode noise, the CM7560R-104 exhibits low attenuation of differential mode signals. This is critical because differential mode signals carry the useful information in balanced circuits (such as data signals in communication lines or power signals in DC-DC converters), and minimal attenuation ensures that these signals remain intact and functional.

High Saturation Current:The CM7560R-104 is designed with a high saturation current, which means it can handle large DC currents without the magnetic core becoming saturated. Core saturation would significantly reduce the inductance and noise suppression capability, so a high saturation current ensures stable performance even in high-current applications.

Robust Construction:It features a robust construction, with the windings and magnetic core encapsulated in a durable material. This protects the internal components from mechanical stress, vibration, and environmental factors such as moisture and dust, enhancing the choke's reliability and lifespan in harsh operating conditions.

Ⅳ.CM7560R-104 Application 

Power Electronics:In power electronic systems such as DC-DC converters, switching power supplies, and inverters, the CM7560R-104 is used to suppress common mode noise generated by switching devices (e.g., MOSFETs, IGBTs). This noise can interfere with other components in the system or radiate electromagnetic interference (EMI) that violates regulatory standards. By incorporating the CM7560R-104, these systems can meet EMI requirements and operate more stably.

Communication Equipment:Communication devices such as routers, modems, and network switches often suffer from common mode noise introduced by data lines or power supplies. The CM7560R-104 is integrated into these devices to filter out noise on Ethernet cables, USB ports, or other communication interfaces, ensuring reliable data transmission and reducing signal errors.

Automotive Electronics:In automotive systems, common mode noise can be generated by various components, including motors, ignition systems, and power converters.The CM7560R-104 is used in automotive electronics such as engine control units (ECUs), infotainment systems, and sensor networks to suppress this noise, protecting sensitive electronics from interference and ensuring compliance with automotive EMI standards.

Ⅴ.Conclusion

The CM7560R-104 is a high-performance common mode choke that offers effective common mode noise suppression, low differential mode signal attenuation, high saturation current, and robust construction. Its key parameters, including a 100 mH inductance, suitable current rating, and wide operating temperature range, make it well-suited for a variety of applications in power electronics, communication equipment, automotive electronics, and industrial control systems. By reducing unwanted noise, the CM7560R-104 enhances the stability, reliability, and compliance of electronic systems with EMI regulations. For engineers designing circuits where noise suppression is critical, the CM7560R-104 is a valuable component that balances effective filtering with minimal impact on useful signals, making it an excellent choice for ensuring optimal system performance.