RD7137-25-1M3

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Common Mode Chokes are the most versatile and popular type of inductors used in electrical fields. RD7137-25-1M3 is a prime example of a common mode choke. Common mode chokes can be applied to an array of applications in both AC and DC circuits, with the ability to attenuate either high-frequency noise, or low-frequency noise. This particular model is used mainly in high-frequency noise control applications, typically between 20MHz to 300MHz. It is also employed mostly in telecommunications fields.

The RD7137-25-1M3 consists of two independent coils that are wound on a single ferrite core. The two coils are wired in opposite directions and connected in parallel. This unconventional winding method that creates a weakly coupled structure isolates the two coils from each other. It allows the two coils to interact much less than a single traditional coil, effectively preventing any cross coupling between them.

Since the two coils are wired in opposite directions, they will create opposing electromotive forces (EMF) whenever current is flowing through the coils. The EMF created by the two coils working together creates a cancelling effect, effectively blocking high-frequency noise from travelling along the component. This is the basic common mode noise filtering mechanism employed by the RD7137-25-1M3.

Since the GDT is specifically designed to attenuate high-frequency noise primarily between 20MHz to 300MHz, it can be used in a wide range of telecommunications applications. This model can effectively filter out interference caused by high-frequency noise from base stations, radio repeaters, and mobile devices. It can also help reduce any unwanted cross talk in digital transmission lines, and improve overall signal quality.

The RD7137-25-1M3 is also widely used in various other applications that require high-frequency noise suppression. It is commonly used in industrial automation systems, power circuits, VRU’s, power conditioning units, and high-tech medical devices. Its ability to effectively filter out high-frequency interference makes it ideal for applications that require reliable and stable performance.

Due to its unique coil construction, the RD7137-25-1M3 is able to provide a high degree of common mode noise suppression. This is achieved by the two coils working together in opposing directions, allowing the device to attenuate both differential and common mode noises. The GDT has an insertion loss that is comparable to conventional common mode chokes, and can operate under high temperatures with minimal influence on its performance.

Overall, the RD7137-25-1M3 is one of the most versatile and dependable common mode choke models available. It can be used to attenuate both differential and common mode noise, making it an ideal solution for a range of applications. Its ability to reduce interference from high-frequency noise makes it an invaluable component for many telecommunications and industrial applications.

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