BLM31KN601SH1K

Chip Ferrite Bead Overview

The Murata BLM31KN601SH1K is an automotive-grade chip ferrite bead in a 1206 (3216 metric) surface-mount package. It provides 600 Ohms impedance at 100 MHz with a rated current of 2.9A and a maximum DC resistance of 38 milliohms. The component operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Designed for high-rated current power supply circuits
• Functions as a resistor for noise suppression
• Automotive grade reliability

Chip Ferrite Bead Applications

• Automotive power supply filtering
• High-current noise suppression
• EMI mitigation in vehicle electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SH1K' against official Murata documentation to confirm exact packaging and tape/reel specifications. Ensure the part meets required automotive qualification standards for the target application environment.

Chip Ferrite Bead Selection Notes

Select this component when high current handling up to 2.9A is required alongside significant impedance at 100 MHz. The 1206 footprint offers a balance between current capacity and board space efficiency for automotive designs.

Chip Ferrite Bead Part Context

Part of the BLM31 series, designed for automotive applications requiring robust EMI filtering. The KN variant specifically targets high-current power lines, distinguishing it from lower-current signal line beads in the same family.

Chip Ferrite Bead Replacement Considerations

BLM31KN601SN1L is a parameter-equivalent alternative from Murata. Verify pin compatibility and specific suffix differences before substitution.