BLM15HG102SN1D

Chip Ferrite Bead Overview

The Murata Electronics BLM15HG102SN1D is a single-line chip ferrite bead in the EMIFIL BLM15HG series. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.0 mm length, 0.5 mm width, and 0.5 mm height. The component provides an impedance of 1 kOhms at 100 MHz with a tolerance of 25%. It supports a maximum DC current of 250 mA and has a maximum DC resistance of 1.1 Ohms. The device operates within a temperature range of -55°C to +125°C and meets AEC-Q200 qualification standards.

Chip Ferrite Bead Feature Summary

• Designed for signal line filtering applications to suppress high-frequency noise
• Unshielded construction suitable for circuits without stable ground connections
• Nickel barrier layer on external electrodes ensures excellent soldering heat resistance

Chip Ferrite Bead Applications

• EMI suppression filters
• Noise suppression for data lines
• General-purpose signal line filtering

Chip Ferrite Bead Procurement Notes

Verify that the specific suffix SN1D corresponds to the required packaging format, such as cut tape or reel options. Confirm compliance with RoHS3 and REACH regulations for the target market. Ensure the AEC-Q200 qualification aligns with automotive or industrial reliability requirements. Cross-reference the impedance tolerance and DC resistance values against the official datasheet specifications before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a compact 0402 footprint for signal integrity management. Choose the BLM15HG series for applications demanding AEC-Q200 automotive-grade reliability. Ensure the 250 mA current rating exceeds the maximum operating current of the protected circuit. Verify that the 1 kOhm impedance at 100 MHz matches the targeted noise frequency spectrum for effective attenuation.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM15H series, which focuses on suppressing GHz-band noise in high-speed signal lines. The series is engineered to minimize resonance risks and prevent signal distortion. These beads are designed for use in portable devices and industrial equipment where compact size and reliable performance are critical for maintaining signal quality.

Chip Ferrite Bead Replacement Considerations

The BLM15AG102SN1D serves as a potential substitute within the same family, offering similar impedance characteristics but with a higher rated current of 300 mA and lower DC resistance. Verify dimensional compatibility and electrical parameter alignment before substitution.