SSM1-402Z-10B

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Electronic interference or electro-magnetic interference (EMI) and radio-frequency interference (RFI) are hindrances to successful communication in the modern world. To protect electronic equipment from interference, EMI/RFI filters must be installed and used. The SSM1-402Z-10B is one such filter that belongs to the group of EMI/RFI filters referred as LC, RC networks.

The SSM1-402Z-10B filter is a two-stage RC or resistors-capacitors filter that is composed of differential capacitors, inductors, and resistors. It is designed for the purpose of suppressing high frequency radiated emissions and is especially effective in the frequency range of 10MHz - 20MHz. It is ideal for applications that require high performance levels but with limited space. It is primarily used in power supply circuits, EMI/RFI-noisy environments, and radio communication. It is usually installed along with other anti-interference devices, such as towers and antennas, or on printed circuit boards.

The main components of a SSM1-402Z-10B filter are differential capacitors, resistors, and inductors. The differential capacitors connect between the filter’s ground and the power supply or ground voltage of the opened circuit. They work together as a pair to ensure effective filtering. The inductors connected between the two differential capacitors will further improve the filter’s noise attenuation performance. Lastly, the resistors are connected in series to the differential capacitors, in order to dampen both high and low frequency noise.

The capacitors, resistors, and inductors of the SSM1-402Z-10B are arranged in two stages, which are connected in series and parallel. The arrangement of the filter is important as it provides frequency dependent resistance and attenuation. The first stage of the filter is responsible for reducing high frequency EMI/RFI, while the second stage provides additional attenuation of low frequency noise. The two stages also increase the filter’s overall noise suppression and overall working efficiency.

The SSM1-402Z-10B filter provides excellent EMI/RFI attenuation performance, and its two stages help to increase the filter’s overall working efficiency. It is best used in power supply circuits, EMI/RFI-noisy environments, and radio communication, and its small size allows it to be installed in areas with limited space. The filter’s differential capacitors, inductors and resistors are key components of the circuit and their carefully arranged layout makes this filter an ideal choice for suppressing high frequency radiated emissions.

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