DSS1NB32A472Q91A

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EMI/RFI Filters (LC, RC Networks)

The DSS1NB32A472Q91A is an EMI/RFI filter specifically designed to suppress undesired signals. EMI/RFI filters are used in circuit boards to block signals in the frequency band of the EMI/RFI filter. It is usually constructed with a combination of inductors (L), capacitors (C) and resistors. Together, they form an LC (Inductor-Capacitor) or RC (Resistor-Capacitor) network, which helps to reduce emitted and received EMI/RFI signals.

The DSS1NB32A472Q91A is a capacitor-based EMI/RFI filter with an LC network structure that is compliant with industry-standard EMI/RFI filtering. It features positive temperature coefficient resistors (PTCR) and is specifically designed for high shielding performance. It supports a wide frequency range of up to 1GHz, covering industrial, commercial and automotive applications.

DSS1NB32A472Q91A is primarily used in automotive applications as it helps to reduce EMI/RFI signals that can interfere with an automobile’s digital systems. The filter helps to ensure a reliable operation of all the electrical unit within an in-vehicle network. It also helps to reduce the impact of EMI/RFI on signals related to safety-critical systems, such as airbag deployment and powertrain control.

It is also suitable for industrial applications, as it helps reduce the risk of EMI/RFI signals interfering with sensitive industrial equipment and controls. In commercial settings, DSS1NB32A472Q91A helps to reduce radio-frequency interference that can cause problems with data communication systems, wireless networks, and other corporate systems.

The working principle of DSS1NB32A472Q91A is based on the fact that EMI/RFI signals are composed of electric and magnetic fields. The filter uses reactive components, such as inductors and capacitors, to block these magnetic and electric fields, thus reducing the overall EMI/RFI signals. These components also help to reduce the impact of EMI/RFI signals by providing a low-impedance path for the signals.

The DSS1NB32A472Q91A also utilizes positive temperature coefficient resistors to provide an extra layer of protection against EMI/RFI signals. By using these resistors, the filter is able to limit the amount of current flowing to ensure that the EMI/RFI signal is safely stopped. This further reduces the risk of EMI/RFI interfering with the electronic equipment.

In conclusion, the DSS1NB32A472Q91A EMI/RFI filter is a useful tool for both industrial and automotive applications. It helps to reduce EMI/RFI signals by utilizing a combination of inductors, capacitors, and resistors to form a reactive LC or RC network. It also uses positive temperature coefficient resistors to safely limit the amount of current flowing through the filter to reduce the risk of damage from EMI/RFI interference. Thus, the DSS1NB32A472Q91A filter is an effective tool in ensuring the reliable operation of all electrical and digital systems.

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