FN3270H-100-35

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FN3270H-100-35 is a type of power line filter modules, which can reduce conducted EMI in power supplies, motor drives and other electronic products. It is a core component in electronic equipment design and can reduce conducted EMI to below the requirements of RFI and EMC standards. As the name implies, it is used to suppress common mode and differential mode disturbances by cutting off lower frequencies ("trapping"), while passing higher frequencies. This makes the module very effective at eliminating interference generated by microprocessor-based products.

One distinct feature of the FN3270H-100-35 module is its high frequency effective line inductance. Its integrated inductance of 35μH is 3 times higher than the required 27μH. This magnifies the module\'s effect of removing harmonic currents and high-frequency spikes. In addition, the rapid response-time of this module helps suppress any potential conducted EMI that can cause interference to adjacent systems.

The FN3270H-100-35 is effective for a wide range of power line applications including Power Supplies, Motor Drives, System Interconnects and Medical Systems, making it a viable solution for many of today\'s electronic products. It has broad operating frequency range from 50Hz to 500MHz, with a maximum insertion loss of 40dB. Its low profile can be easily integrated into tight spaces and with its low parasitics, it takes up to 50% less board space than comparable modules.

The working principle of the FN3270H-100-35 is based on series capacitance and common mode inductance. Its three capacitors and one common mode inductor form a unique series circuit with LC frequency components. This allows the unit to reject common mode noise on both single-ended and differential mode lines. The integrated inductor prevents the unit from passing any signal below the cutoff frequency. At higher frequencies, an attenuation is provided, allowing only the desired signal to pass through.

The FN3270H-100-35 is also designed with an interface that minimizes EMI leakage to adjacent systems. Its housing is made from a conductive material and its contacts are designed to prevent EMI from radiating outward. Moreover, its low profile design helps reduce any additional parasitic coupling between adjacent components and systems.

The FN3270H-100-35 power line filter module is an effective solution for eliminating conducted EMI in power supplies, motor drives and other electronic products. Its high frequency effective line inductance and rapid response-time make it very effective at removing harmonic currents and high-frequency spikes. In addition, the low profile of this module makes it easy to integrate into tight spaces. Finally, with its interface designed to minimize EMI leakage to adjacent systems, this filter module is a critical element for designers looking for a reliable, low-profile solution for their electronic products.

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