BLM31KN801SH1K

Chip Ferrite Bead Overview

The Murata BLM31KN801SH1K is a single-line ferrite chip bead in the BLM31KN_SN series, designed for surface-mount technology. It features a 1206 (3216 metric) package with dimensions of 3.2 mm length, 1.6 mm width, and 1.6 mm height. The component provides an impedance of 800 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 2.5 A and has a maximum DC resistance of 50 mOhms. The device operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high impedance attenuation for electromagnetic interference suppression in power lines
• Engineered for high-current applications with a rated capacity of 2.5 A
• Constructed for robust performance across extended industrial temperature ranges

Chip Ferrite Bead Applications

• Power supply line filtering
• Electromagnetic interference suppression in electronic circuits
• Signal integrity management in high-speed digital systems

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'K' against official Murata documentation to confirm packaging configuration, as ordering suffixes may indicate reel specifications or tape-and-reel variations. Ensure the part number matches the exact impedance and current ratings required for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant noise suppression at 100 MHz with moderate current handling capabilities. The 1206 footprint offers a balance between thermal dissipation and board space efficiency. Consider the 50 mOhm DC resistance impact on voltage drop when evaluating power delivery network requirements.

Chip Ferrite Bead Part Context

This component belongs to the BLM31KN_SN series of ferrite beads from Murata Electronics. The series is characterized by its suitability for general-purpose EMI suppression in compact surface-mount designs. The KN designation typically indicates specific material properties optimized for broadband noise absorption in power and signal lines.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative ferrite beads based on matching impedance curves, current ratings, and physical package dimensions.