DSS1NB32A103Q91A Filters

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EMI/RFI Filters are networks of interconnected components such as LC (inductors and capacitors) or RC (resistors and capacitors). These filters are used to reduce the interference of electromagnetic radiation in electronic circuits. DSS1NB32A103Q91A is an example of EMI/ RFI filters used for both EMI and RFI protection.

The DSS1NB32A103Q91A is a single-pole EMI/RFI filter rated for 31 Amp/400V in a radial leaded design, with a capacitance of 103pF and an inductance of 0.31H. One of its main features is its high impedance, which is advantageously used for EMI suppression. The filter also features a surge current rating of 65A with a peak Voltage Withstand of 1800V.

Its application field is particularly suited for effective protection of power supply lines against transient currents generated by loads with high current impulses. The size of such impulse is determined by the length of the cable or wire used for the connection. The DSS1NB32A103Q91A is used to connect the source to the load, thus preventing noise interference generated due to the current pulses.

The working principle of the DSS1NB32A103Q91A is to reduce electormagnetic interference (EMI) from components in the close vicinity. This is achieved by utilizing high impedance and low insertion loss. The filter works by blocking high frequency EMI and allowing low frequency signals to pass through. This is accomplished by the filter’s combination of inductance and capacitance, which creates a low pass filter, blocking higher frequency signals from passing through.

The inductor component of the filter functions to block high frequency, while the capacitor allows lower frequency signals to pass. This prevents noise interference from components in the close vicinity from entering the circuit through the filter. The reaction and effect of the filter may be measured with a network analyzer.

In summary, the DSS1NB32A103Q91A is an effective EMI/RFI filter solution for applications such as power supply lines. The filter’s combination of inductance and capacitance produces an ideal high impedance low insertion loss for effectively blocking high frequency noise and allowing low frequency signals to pass through. The filter is relatively simple to use and can be easily measured with a network analyzer.

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