BLM18SG700TN1D

Chip Ferrite Bead Overview

The Murata BLM18SG700TN1D is a single-line ferrite chip bead in the EMIFIL BLM18S series, designed for EMI suppression on power lines. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.60mm x 0.80mm x 0.65mm maximum height. The component provides an impedance of 70 Ohms at 100 MHz with a 25% tolerance. It supports a maximum DC current of 4A and has a maximum DC resistance of 20 mOhms. The operating temperature range spans from -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high magnetic permeability for effective electromagnetic interference absorption and suppression.
• Engineered for low insertion loss to maintain signal integrity during transmission.
• Constructed with low magnetic loss materials to enhance circuit stability and reliability.

Chip Ferrite Bead Applications

• Electromagnetic interference filtering in consumer electronics
• Noise suppression in industrial control systems
• EMI mitigation in automotive electronic circuits

Chip Ferrite Bead Procurement Notes

Verify the specific ordering suffix against official Murata documentation to ensure correct packaging and tape specifications. Confirm that the selected variant matches the required impedance tolerance and current rating for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when space-constrained designs require a 0603 footprint for power line noise suppression. Ensure the application current does not exceed the 4A rating to prevent saturation or excessive heating. Verify that the 70 Ohm impedance at 100 MHz aligns with the targeted noise frequency spectrum. Consider the -55°C to +125°C operating range for environmental compatibility.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM18S series of ferrite beads. These components are specifically engineered for high-current applications where compact size and effective EMI suppression are critical. The series utilizes advanced ferrite materials to provide stable performance across a wide temperature range while maintaining low DC resistance.

Chip Ferrite Bead Replacement Considerations

Pulse Electronics BBUP00160805700Y00 is documented as a parameter-equivalent substitute. Verify mechanical dimensions and electrical characteristics against original specifications before substitution.

Chip Ferrite Bead FAQ

What is the maximum DC current rating for the BLM18SG700TN1D?

The maximum DC current rating is 4A.

What is the impedance value and test frequency?

The impedance is 70 Ohms measured at 100 MHz.