4609H-701-500/470L

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EMI/RFI Filters (LC, RC Networks)

The 4609H-701-500/470L is an EMI/RFI filter, specifically a low pass filter. It consists of a linear series combination of capacitors, inductors, and termination resistors connected in a distributed pass band. It is designed to reduce the signal noise (electromagnetic interference, EMI) generated by equipment in the environment while operating at a specific frequency without sacrificing desired signals. The filter also helps to protect a system from the high frequency noise generated by the electronic equipment in the environment, including the power lines.

The 4609H-701-500/470L low pass filter is a great choice for use in a wide variety of signal processing applications. Its low insertion loss, high frequency cut-off, and steep attenuation characteristics make it ideal for signal purification and noise reduction. It is widely used in automotive, audio, and video equipment, medical instruments, computer servers, telecommunication systems, aircraft systems, and defense systems.

The working principle of the 4609H-701-500/470L low pass filter is based on the fact that the inductors and capacitors both store energy, and the resistors dissipate power. This creates a stop-band effect, which filters out signals at high frequencies. The impedance of the filter slowly changes with frequency, and its attenuation is proportional to the frequency until the frequency reaches the cut-off frequency, which is the filter’s high frequency limit. At the cut-off frequency, the filter begins to attenuate sharply until all signals at frequencies above the cut-off frequency are discarded. This effectively reduces noise and protects the system from external interference.

The 4609H-701-500/470L low pass filter is an invaluable tool for reducing the noise created by system operations while preserving desired signals. It is widely used in all sorts of applications, including automotive seats, audio, and video equipment, medical instruments, computer servers, aircraft systems, and defense systems. Thanks to its low insertion loss, high frequency cut-off, and steep attenuation characteristics, it can be used for signal purification and noise reduction in a variety of applications.

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