LMMGA451616T851NG

Chip Ferrite Bead Overview

The LMMGA451616T851NG is a high-current ferrite bead manufactured by Taiyo Yuden, designed for power line applications. It features an impedance of 850 Ohms at a measuring frequency of 100 MHz with a tolerance of ±30%. The component utilizes a wire-wound construction within an 1806 (4516 metric) case size. It supports a maximum DC current rating and operates within a temperature range of -40°C to +125°C. The device offers low DC resistance to minimize power loss while providing effective electromagnetic interference suppression in compact electronic designs.

Chip Ferrite Bead Feature Summary

• Wire-wound ferrite construction optimized for high-current power line filtering
• High impedance value of 850 Ohms at 100 MHz for effective noise suppression
• Robust thermal performance supporting operation up to +125°C
• Compact 1806 surface-mount package suitable for space-constrained layouts

Chip Ferrite Bead Applications

• Power supply input/output filtering
• DC-DC converter circuit noise suppression
• Embedded system power rail protection
• Consumer electronics power management units

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'NG' against the manufacturer's official datasheet to confirm compliance with RoHS directives and halogen-free requirements. Ensure that the ordering quantity aligns with the factory packaging specifications provided by Taiyo Yuden. Confirm that the application environment remains within the specified operating temperature range of -40°C to +125°C to maintain component reliability and electrical performance stability during deployment.

Chip Ferrite Bead Selection Notes

Select this component when high current handling capability is required alongside significant impedance at 100 MHz. The 1806 package provides a balance between current capacity and footprint. Evaluate the DC resistance characteristics to ensure voltage drop limits are met. Consider the ±30% impedance tolerance for circuit design margins. Compare against alternative series if higher current ratings or different impedance profiles are necessary for the specific power rail application.

Chip Ferrite Bead Part Context

This part belongs to the LMMGA series of wire-wound ferrite beads from Taiyo Yuden. The series is engineered for high-current applications where standard chip beads may saturate. The 1806 case size indicates a larger physical dimension compared to standard signal-line beads, allowing for greater magnetic material volume. This design supports robust EMI suppression in power distribution networks without compromising structural integrity under thermal stress.

Chip Ferrite Bead Replacement Considerations

Consult the official Taiyo Yuden replacement guide for direct equivalents. Verify that any substitute maintains the 850 Ohm impedance at 100 MHz and matches the 1806 footprint. Ensure the replacement component supports equal or higher DC current ratings. Cross-reference the DC resistance and thermal characteristics to guarantee identical circuit behavior.