MLS1206-4S4-300

Overview

The Ferroxcube MLS1206-4S4-300 is a surface-mount ferrite bead designed for electromagnetic interference suppression in the 1206 (3216 Metric) package. It provides an impedance of 30 ohms at 100 MHz with a maximum DC current rating of 500 mA. The component features a low DC resistance of 0.15 ohms and operates within a temperature range of -40°C to +125°C.

Feature Summary

• Multilayer construction for effective high-frequency noise attenuation
• Compact 1206 footprint suitable for space-constrained PCB layouts
• Stable performance across wide industrial temperature ranges

Applications

• Computer and peripheral equipment motherboards
• Notebook and portable device power lines
• CD-ROM, DVD-ROM, and CD-RW drive circuits

Procurement Notes

Verify the specific impedance tolerance and DC resistance values against the official Ferroxcube datasheet before integration. Confirm that the 1206 package dimensions align with your PCB land pattern requirements. Ensure the 500 mA current rating meets the peak load demands of your circuit design to prevent saturation or excessive heating during operation.

Selection Notes

Select this component when a 30-ohm impedance at 100 MHz is required for signal integrity protection. The 1206 size offers a balance between current handling capability and board space efficiency. Consider the 0.15-ohm DC resistance impact on voltage drop for sensitive low-voltage rails compared to lower-resistance alternatives.

Part Context

This part belongs to the Ferroxcube MLS series of multilayer suppressors. These components are engineered to replace traditional wire-wound beads, offering superior high-frequency performance and reliability. The series supports various impedance values within the same standardized package family.

Replacement Considerations

Cross-reference with other MLS1206 variants from Ferroxcube if different impedance levels are needed. Verify pin compatibility and thermal characteristics when substituting with similar ferrite beads from other manufacturers to ensure equivalent EMI suppression performance.