PEMI1QFN/HM,315 Filters

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EMI/RFI filters (LC, RC networks) are used to reduce exposure to electromagnetic interference and withstand higher voltage and current load in a variety of electronic applications. The PEMI1QFN/HM,315 EMI filter is designed to provide strong immunity to EMI interference from other electronic systems while providing a reliable operating environment for protected systems.

It is a very small form factor, measuring just 5.2 x 5.2 x 2.5mm, making it ideal for use in a wide range of applications requiring space-constrained EMI protection on a PCB. This EMI filter is also lead-free, making it the perfect choice for a long-term, reliable solution.

The PEMI1QFN/HM,315 is optimized for applications requiring up to 6.0A DC power. The filter provides a common mode impedance of 9 Ohm in the frequency range of 9 kHz to 30 MHz, and is capable of handling voltage surges up to 2.5KV. It has a maximum operating frequency of 1GHz, and is designed to protect industrial control and data communications systems from external interference sources.

The working principle of the EMI/RFI filter is simple. It uses an inductor-capacitor (LC) network or a resistor-capacitor (RC) network to protect sensitive components from outside electrical noise. The filter design ensures that it blocks the noise from entering the system while allowing desired page signals to pass.

The inductor-capacitor network works by providing impedance to both high frequencies and low frequencies, and allowing DC voltage to pass through while blocking high-frequency noise. The resistor-capacitor network works by allowing DC voltage to pass through, while blocking high-frequency noise.

The filter is constructed from high-quality material and designed with ultra-low parasitic inductance. The filter also uses an intuitive “harsh environment” concept to prevent noise and electromagnetic interference from entering the system. This feature is particularly useful for applications in industrial and medical settings as well as any environment where EMI is likely to be encountered.

In terms of operation, the EMI/RFI filter is designed to be used in power converters and any other environment where high-speed switching devices are used. The filter is capable of providing significant noise reduction within the frequency range it is designed for. It also reduces the offset frequencies, crosstalk, and harmonic distortions, thus improving the performance of the protected system.

The PEMI1QFN/HM,315 is an ideal solution for many industrial, medical, and data communication applications. It can help improve the resilience and reliability of vital systems while providing superior protection from external interference sources.

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