PM3700-80-RC Filters

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PM3700-80-RC is a common mode choke device designed for power management and filter applications in a wide range of electrical circuits. The device consists of a ferrite core with coils wound around it. The purpose of a common mode choke is to block common noise modes and allow only the desired signals to pass through. It can also be used to reduce conducted and electrostatic interference.

Common mode chokes are used to reduce conducted or radiated interference in high frequency applications. They usually consist of a ferrite core or other magnetic material with two-wire coils wound around it. The coils are designed to generate an opposing magnetic field, which cancels out any interfering noise on the signal being transmitted. Common mode chokes are designed to be placed between a source such as a power supply and a load such as an IC, to block any noise that might interfere with the desired signal.

The working principle of PM3700-80-RC is fairly straightforward. When a voltage is applied across the two terminals of the device, it creates an electromagnetic field. The two coils, that are wound around the ferrite core, both receive this electromagnetic field. These coils are designed to produce opposing magnetic fields, such that any noise (common mode noise) that hits the coils is cancelled out, resulting in only the desired signal reaching the load.

PM3700-80-RC is commonly used in power management and filtering applications such as power supplies, automotive and industrial electronic systems, and electronic data systems. It is a reliable, easy to implement, and cost-effective device to reduce conducted and radiated interference in high frequency applications. The device can be used as a source or destination of power, and is capable of operating at temperatures from -40°C to 125°C.

PM3700-80-RC has a low DC resistance, which allows for maximum power transfer efficiency. In some cases, an external capacitor may be needed to reduce any parasitic inductance or to achieve higher levels of performance. The device also provides excellent common mode noise suppression and offers a low insertion loss of up to 60 dB rejection at 100 MHz.

In conclusion, PM3700-80-RC is a reliable and efficient common mode choke device, designed for power management and filtering applications in a wide range of electrical circuits. It offers excellent common mode noise suppression, low DC resistance, and a low insertion loss of up to 60 dB rejection at 100 MHz, which makes it an ideal choice for reducing conducted and electrostatic interference.

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