CSLF4D17NP-391

Common Mode Chokes Overview

The CSLF4D17NP-391 is a surface-mount common mode choke coil manufactured by Sumida America Components Inc. It features an inductance of 390 Ohms at 100 MHz and supports a rated current of 1.2 A with a maximum DC resistance of 40 mOhms. The component utilizes a four-pin SMD package design, ensuring compact integration into printed circuit boards while providing effective noise suppression capabilities for high-frequency signal lines.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for differential signal lines
• Utilizes a compact four-pin surface mount package for automated assembly
• Engineered to maintain low DC resistance for efficient power transmission

Common Mode Chokes Applications

• High-speed data interface protection
• Noise filtering in portable electronic devices
• Signal integrity enhancement in communication modules

Common Mode Chokes Procurement Notes

Verify the specific suffix codes against official Sumida documentation to confirm exact electrical tolerances and material specifications. Ensure that the procurement channel provides valid traceability records and authenticity certificates. Cross-reference the part number with the latest manufacturer datasheets to confirm availability status and any potential obsolescence notices before finalizing orders.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring common mode noise attenuation for high-frequency signals. Evaluate the 1.2 A current rating against peak operational loads to prevent saturation. Consider the 40 mOhm DC resistance impact on overall circuit efficiency. Confirm that the physical dimensions of the four-pin SMD package fit within the designated PCB footprint constraints.

Common Mode Chokes Part Context

This component belongs to Sumida's lineup of passive magnetic components designed for modern electronics. Common mode chokes are essential for mitigating electromagnetic interference in sensitive digital systems. The CSLF4D17NP series represents a specialized category of filters optimized for space-constrained applications requiring reliable signal purity.

Common Mode Chokes Replacement Considerations

Consult official Sumida substitution guides for verified alternatives. Ensure replacement parts match the 390 Ohm impedance at 100 MHz and 1.2 A current handling capacity. Verify pin compatibility and mechanical footprint alignment to avoid redesign requirements.