PEMI4QFN/WT,132

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Electromagnetic interference (EMI) and radio frequency interference (RFI) are two forms of interference caused by the unintentional emission of electromagnetic energy, either with radio waves or through power supply lines. EMI/RFI filters are components used to suppress EMI/RFI signals and reduce its coupling on a system or circuit.

A PEMI4QFN/WT,132 filter is an example of an EMI/RFI filter. It is a four pin EMI/RFI Emission Suppressor with an integrated power filter in an discrete component. It is designed to provide differential mode and common mode signal filtering, while providing ESD and surge protection to the circuit.

The four pins are used to connect the power supply lines, ground and signal lines to the component. It is composed of capacitors, inductors, resistors and varistors, which form an EMI/RFI filter network. As the power and ground lines are connected, the capacitors form a differential filter and the inductors form a common mode filter to reduce EMI/RFI emitted from the power supply.

The PEMI4QFN/WT,132 filter is also equipped with an integrated varistor, which provides further protection against transients and ESD. The varistor clamps the voltage from the incoming signal and any transients that occur. In addition, the PEMI4QFN/WT,132 filter has built-in surge protection to protect against a wide range of voltages.

The PEMI4QFN/WT,132 filter is suitable for use in a variety of applications, including power conversion, analog and digital circuits. It can be used to reduce EMI/RFI in power lines up to 2.3GHz, and is ideal for applications that require high performance signal integrity such as high-speed data bus networks. In addition, the PEMI4QFN/WT,132 filter also provides effective protection against surges and transients.

The PEMI4QFN/WT,132 filter is a useful component for any application that requires EMI/RFI protection. It provides the necessary filtering and protection, while still maintaining good signal integrity. In addition, the integrated varistor and surge protection make it an ideal solution for applications requiring high voltage transients and ESD protection.

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