CPFC74BNP-851

Common Mode Chokes Overview

The CPFC74BNP-851 is a surface-mount signal common mode choke manufactured by Sumida America Components Inc. It features a two-line configuration designed for noise suppression in high-speed data interfaces. The component exhibits an impedance of 850 Ohms at 100 MHz and supports a maximum current rating of 3.5 Amperes. Its low DC resistance, specified at a maximum of 16 milliohms, ensures minimal signal loss while maintaining effective electromagnetic interference filtering capabilities.

Common Mode Chokes Feature Summary

• Two-line surface mount construction for compact circuit integration
• High impedance performance at 100 MHz for effective noise attenuation
• Low DC resistance to preserve signal integrity during operation

Common Mode Chokes Applications

• Noise suppression in high-speed digital communication lines
• Electromagnetic interference filtering for peripheral interface circuits
• Signal conditioning in portable electronic devices

Common Mode Chokes Procurement Notes

Verify the specific suffix against official Sumida documentation to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with automated pick-and-place equipment regarding package dimensions. Cross-reference impedance values with target frequency requirements to validate filtering effectiveness for the intended application environment.

Common Mode Chokes Selection Notes

Select this component when dual-line noise suppression is required alongside high current handling capacity. The low DC resistance makes it suitable for power-sensitive applications where voltage drop must be minimized. Evaluate the 850 Ohm impedance specification against the operating frequency spectrum to ensure adequate common mode rejection without affecting differential signal quality.

Common Mode Chokes Part Context

This part belongs to the CPFC74BNP series of common mode chokes from Sumida. The series focuses on SMD solutions for EMI suppression in consumer electronics and industrial control systems. The CPFC74BNP-851 variant specifically targets applications requiring robust current handling with precise high-frequency noise attenuation characteristics.

Common Mode Chokes Replacement Considerations

Consult Sumida technical support for verified cross-references. Ensure any substitute maintains identical line count, impedance profile at 100 MHz, and current rating to preserve circuit performance.