SM28B3149

Overview

The SM28B3149 is a solid flat ferrite cable core manufactured by Leader Tech Inc. It functions as an EMI suppression component designed for flat ribbon cables. The device features a shock mount adhesive for secure attachment. Key electrical and physical parameters include an impedance of 295 Ohms measured at a test frequency of 100 MHz. The internal length is 52.1 mm, while the external length measures 63.5 mm. The external width is 28.6 mm. Dimensional specifications also include an internal height of 1.68 mm and an external height of 13.5 mm.

Feature Summary

• Solid flat ferrite construction for effective electromagnetic interference suppression on ribbon cables
• Integrated shock mount adhesive for reliable mechanical attachment to cable assemblies

Applications

• EMI suppression for flat ribbon cables in electronic enclosures
• Interconnect cable shielding in circuit board assemblies
• Signal integrity enhancement for high-speed data transmission lines

Procurement Notes

Verify the specific part number SM28B3149 against official Leader Tech documentation to confirm current availability and manufacturing status. Ensure compatibility with target flat ribbon cable dimensions before procurement. Check for RoHS compliance requirements relevant to the end application. Confirm that the adhesive type meets environmental and thermal constraints of the installation site.

Selection Notes

Select this component based on the required impedance value of 295 Ohms at 100 MHz for the specific noise spectrum being addressed. Ensure the physical dimensions, particularly the internal height of 1.68 mm and width of 28.6 mm, accommodate the target flat cable thickness and width. Consider the shock mount adhesive feature if vibration resistance or permanent bonding is required for the assembly process.

Part Context

Leader Tech Inc. specializes in EMI shielding and thermal interface solutions for electronic components. The SM28B3149 belongs to their ferrite cable core product line, which addresses electromagnetic interference issues in interconnects. This category of components is critical for maintaining signal integrity in dense electronic environments where crosstalk and radiated emissions must be minimized.

Replacement Considerations

No publicly confirmed substitute part numbers are available in the provided source material. Verify cross-compatibility with other flat ferrite cores only if official datasheets confirm identical impedance, dimensional, and adhesive specifications.