BLM31KN601SN1L

Chip Ferrite Bead Overview

The Murata BLM31KN601SN1L is a single-channel ferrite chip bead in a 1206 (3216 metric) surface-mount package. It provides an impedance of 600 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 2.9 A and has a maximum DC resistance of 38 mOhms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Designed for power supply circuits requiring high rated current handling capabilities
• Provides effective electromagnetic interference suppression in compact surface-mount form factors

Chip Ferrite Bead Applications

• Power supply filtering in automotive electronics
• High-current signal line noise suppression
• Embedded system power distribution networks

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1L against official Murata documentation to confirm packaging details and compliance status. Ensure the selected variant matches the required impedance and current ratings for the target application circuit design.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits that demand high current capacity alongside significant high-frequency noise attenuation. The 1206 footprint offers a balance between thermal performance and space constraints for power-intensive applications.

Chip Ferrite Bead Part Context

This part belongs to the EMIFIL® BLM31KN series, which is engineered specifically for automotive and industrial environments. The KN series distinguishes itself through enhanced current handling compared to standard ferrite beads, making it suitable for direct integration into power rails.

Chip Ferrite Bead Replacement Considerations

Publicly documented parameter-equivalent substitutes include AFBC-SH1206P-601T from Abracon LLC and HFZ 3216PF-601T29 from TAI-TECH Advanced Electronics Co., Ltd.