BLM18KG260JH1D

Chip Ferrite Bead Overview

The Murata BLM18KG260JH1D is a single-line ferrite bead in the BLM18KG series, designed for high-current power line filtering. It features a 0603 (1608 metric) SMD package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 26 Ohms at 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 4 A and has a maximum DC resistance of 7 mOhms. The device operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• High current handling capability up to 4A for power supply applications
• Low DC resistance to minimize power loss and extend battery life
• Compact 0603 surface mount footprint suitable for space-constrained designs
• Automotive grade reliability certified under AEC-Q200 standards

Chip Ferrite Bead Applications

• DC power line filtering for portable navigation devices
• Noise suppression in cellular phone power circuits
• Filtering for notebook PC and PDA power rails
• Audio system power line noise reduction

Chip Ferrite Bead Procurement Notes

Verify the suffix JH1D against TH1D or SN1D variants to ensure correct impedance tolerance and packaging specifications. Confirm AEC-Q200 compliance requirements if deploying in automotive contexts. Cross-reference datasheet parameters for DC resistance and current ratings against specific circuit load conditions before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when low DC resistance and high current capacity are critical for 0603 form factor constraints. The 26 Ohm impedance targets specific high-frequency noise profiles around 100 MHz. Ensure PCB layout accommodates the standard 1608 metric pad size. Evaluate thermal management needs as current derating occurs at elevated temperatures within the specified operating range.

Chip Ferrite Bead Part Context

This part belongs to the BLM18KG series, which offers enhanced current ratings compared to conventional 0603 ferrite beads. It serves as a direct replacement for larger 0805 or 1206 wire-wound beads in applications requiring significant current handling while maintaining a small profile. The series is engineered to reduce power consumption in portable electronic devices.

Chip Ferrite Bead Replacement Considerations

BLM18KG260TH1D: Similar impedance and current rating; verify suffix differences regarding tolerance and packaging format.