LMMCC201208T420RG

Chip Ferrite Bead Overview

The LMMCC201208T420RG is a wire-wound ferrite bead inductor designed for power line applications. Manufactured by Taiyo Yuden, it features an 0805 (2012 metric) surface-mount package with dimensions of 2.0 mm length, 1.25 mm width, and 0.85 mm height. The component provides an impedance of 42 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 5 A and has a maximum DC resistance of 8 mOhms. The device operates within a temperature range of -40°C to +125°C.

Chip Ferrite Bead Feature Summary

• Wire-wound construction optimized for high-current power line filtering
• Shielded design to minimize electromagnetic interference
• Single-channel configuration for compact circuit integration

Chip Ferrite Bead Applications

• Power line noise suppression in electronic devices
• High-current signal filtering in mobile infrastructure
• EMI reduction in automotive electronics

Chip Ferrite Bead Procurement Notes

Verify the manufacturer part number against official Taiyo Yuden documentation to ensure authenticity. Confirm that the specific suffix matches the required impedance and current ratings. Check RoHS compliance status through the manufacturer's certified datasheet. Ensure the ordering information aligns with the exact package type and testing frequency specifications provided in the official product sheet.

Chip Ferrite Bead Selection Notes

Select this component when high current handling capability is required alongside effective high-frequency noise attenuation. The 0805 footprint allows for space-constrained designs while maintaining robust electrical performance. Consider the 5 A rated current and low DC resistance for efficient power delivery paths. Verify thermal operating limits match the intended application environment.

Chip Ferrite Bead Part Context

This component belongs to the LMMC/LMMG series of wire-wound ferrite bead inductors from Taiyo Yuden. These parts are engineered specifically for power line applications where high current capacity and significant impedance are necessary. The series utilizes advanced multilayer technology to achieve small form factors without compromising electrical integrity or thermal stability.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers include FBMJ2125HS250NT and LSMCC201208T420RG. Verify impedance and current ratings before substitution.