PEMI4QFN/LP,132

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EMI/RFI Filters (LC, RC Networks) are important components in electronic circuits to protect them from electromagnetic interference (EMI) and radio frequency interference (RFI). The PEMI4QFN/LP, 132 is a type of such filter suitable for mobile devices, such as mobile phones or tablets.

Description of the Component

The PEMI4QFN/LP, 132 filter is a 4-pin low-profile Quad Flat No-Lead component. Its dimensions are 1.00(h) x 1.00(w) x 0.60(l) mm, and it weighs 6 mg. It is constructed with layers of copper and other conductive materials to form the filter structure. These components have a temperature range of -40°C to +125°C.

Application Field and Working Principle

The PEMI4QFN/LP, 132 filter is used mainly in mobile devices, such as mobile phones or tablets, to protect them from electromagnetic interference and radio frequency interference. It is designed to reduce the electromagnetic noise that can affect the performance of the device, as well as the signal integrity of the device. The filter works by blocking high-frequency noise and passing low-frequency signals, thus preventing interference from external sources.

The filter consists of inductors and capacitors, with the capacitive element providing low-pass filtering and the inductive element providing high-pass filtering. The combination of inductors and capacitors form an LC (Inductor-Capacitor) filter, also known as a pi filter. The filter also includes an RC (Resistor-Capacitor) network to provide additional filtering. The filter also utilizes differential-mode and common-mode inductance to suppress any high-frequency noise that may affect the device.

Advantages

The PEMI4QFN/LP, 132 filter has many advantages over other filters. Its small size and light weight make it ideal for use in mobile devices. Its low-profile design makes it easy to integrate into the device\'s circuit board. The filter is also able to provide excellent protection against high-frequency noise, due to its combination of inductors and capacitors, and the RC network provides additional filtering. The filter is also easy to use and install, and it is very reliable.

Conclusion

The PEMI4QFN/LP, 132 filter is a high-performance component suitable for use in mobile devices, such as mobile phones or tablets, to protect against electromagnetic interference and radio frequency interference. Its combination of inductors and capacitors, as well as the use of differential-mode and common-mode inductance, make it an effective filter. Its small size and low-profile design make it the ideal choice for use in mobile devices.

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