MLS1206-4S4-900

Overview

The Ferroxcube MLS1206-4S4-900 is a surface-mount multilayer ferrite bead designed for electromagnetic interference suppression in the 1206 [3216 Metric] package. It provides an impedance of 90 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 maintains an impedance tolerance of ± 25%. This device is part of the MLS series, engineered to filter high-frequency noise in compact electronic circuits.

Feature Summary

• Multilayer construction for effective high-frequency noise attenuation
• Compact 1206 surface-mount footprint for space-constrained designs
• Low DC resistance minimizes power loss in signal paths

Applications

• Motherboard noise filtering
• Notebook computer peripheral protection
• CD-ROM and DVD-ROM drive circuits

Procurement Notes

Verify that the specific order matches the MLS1206-4S4-900 designation to ensure correct 90-ohm impedance characteristics. Confirm RoHS compliance status if required by project specifications. Check packaging format availability, such as cut tape or reel options, against production line requirements. Ensure storage conditions adhere to manufacturer guidelines to maintain material integrity prior to soldering.

Selection Notes

Select this component when circuit design requires 90 ohms of impedance at 100 MHz within a 1206 package. The 500 mA current rating suits moderate signal lines. Compare DCR values against other series options if voltage drop is critical. Validate thermal performance and mounting compatibility with existing PCB layout constraints before finalizing the bill of materials.

Part Context

This ferrite bead belongs to the MLS series from Ferroxcube, which specializes in multilayer suppressors for EMI mitigation. The series supports various impedance values across standard SMD packages. These components are widely utilized in consumer electronics and computing hardware to manage electromagnetic compatibility without significantly impacting signal integrity or power efficiency.

Replacement Considerations

Cross-reference with MLS1206-4S4-121 for higher impedance needs or MLS1206-4S4-601 for intermediate values. Verify that substitute parts match the 1206 case code and 500 mA current rating. Ensure impedance curves align with target frequency ranges to maintain equivalent filtering performance.