NFE61PT330B1H9L Filters

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EMI/RFI filters are components designed to suppress electronic noise from AC power lines and high-speed transmission lines. The NFE61PT330B1H9L series is a type of EMI/RFI filters that have been designed to meet strict standards. This article will discuss the application field and working principle of the NFE61PT330B1H9L series.

The NFE61PT330B1H9L series is mainly used in industrial electronic devices and equipment. These devices are found in the industrial, medical, and defense fields. The NFE61PT330B1H9L filters are suitable for applications like microcontrollers, communication devices, modems, PC/104 cards, power supplies, motor control systems, secure communication systems, and radar systems. All NFE61PT330B1H9L filters are subjected to strict tests to ensure that they comply with different RF and EMI certification standards, such as CISPR-22, FCC Part 15, and CISPR-24 VDE Class B.

The NFE61PT330B1H9L filters are designed with two main components: a high-speed transient voltage suppression (TVS) and a low-pass filter (LPF). The TVS acts as a buffer that protects the system from overvoltage and transients. The LPF filters out high-frequency noise from the line and protects the system from EMI and RFI interference. The NFE61PT330B1H9L series is designed to be very effective in reducing both EMI and RFI interference.

The NFE61PT330B1H9L filters have both common-mode and differential-mode noise rejection. The common-mode noise is coupled onto the power line and affects the entire system while the differential-mode noise is coupled onto the signal line and affects only the connected device. The filters are designed with two capacitances and an inductance. The inductance of the filter helps provide low-pass filtering and reduce both common-mode and differential-mode noise, while the capacitances help reduce high-frequency noise.

In addition, the NFE61PT330B1H9L filters are designed with high-frequency suppression. This helps reduce the electromagnetic emissions that a system may generate, thus helping the system meet stringent EMC regulations. The filters are also designed with high surge current protection to protect the system from transient events.

The NFE61PT330B1H9L series is a reliable and cost-effective solution for reducing both EMI and RFI interference in industrial electronic applications. The filters are designed to meet different RF and EMI certification standards, offering maximum protection and performance. The combination of high-frequency suppression and high surge current protection gives the filters a comprehensive approach to noise filtering, helping ensure the system meets the demands of today\'s RF and EMI requirements.

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