BLM15AG700SZ1D

Chip Ferrite Bead Overview

The Murata BLM15AG700SZ1D is a single-line chip ferrite bead in the EMIFIL BLM15 series, housed in a 0402 (1005 metric) surface-mount package. It provides an impedance of 70 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 600 mA and exhibits a maximum DC resistance of 150 mOhms. It operates within a temperature range of -55°C to +125°C and measures 1.0 mm in length, 0.5 mm in width, and 0.5 mm in height.

Chip Ferrite Bead Feature Summary

• Functions as a resistor at noise frequencies to minimize resonance risks
• Provides high impedance for effective electromagnetic interference suppression
• Designed for compact surface-mount integration

Chip Ferrite Bead Applications

• High-speed data line noise filtering
• Power supply circuit decoupling
• General-purpose EMI suppression in portable devices

Chip Ferrite Bead Procurement Notes

Verify the suffix 'SZ1D' against official Murata documentation to confirm specific packaging or material variations compared to similar part numbers like 'SN1D'. Ensure the selected variant matches the required reel or cut-tape specifications for your assembly process. Cross-reference the datasheet for any updates on RoHS compliance status or recommended soldering profiles before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0402 footprint is required with a 70 Ohm impedance target at 100 MHz. The 600 mA current rating suits moderate power lines, while the low DC resistance minimizes voltage drop. Consider the -55°C to +125°C operating range for broad environmental compatibility. Verify that the unshielded design aligns with the board's electromagnetic compatibility requirements.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM15 series, which offers various impedance values and current ratings in the 0402 package. The BLM15 series is widely used for suppressing electromagnetic interference in digital circuits. The specific model utilizes manganese-zinc ferrite materials optimized for high-frequency noise absorption.

Chip Ferrite Bead Replacement Considerations

The BLM15AG700SN1D is a documented alternative from the same manufacturer with identical electrical characteristics but potentially different packaging suffixes. Verify physical dimensions and termination styles before substitution.