BLM18DN221SZ1D

Chip Ferrite Bead Overview

The Murata BLM18DN221SZ1D is a chip ferrite bead in the 0603 (1608 metric) package. It provides an impedance of 220 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.4 A and has a maximum DC resistance of 100 mOhms. It operates within a temperature range of -55°C to +125°C. Physical dimensions are 1.6 mm length, 0.8 mm width, and 0.6 mm height. It is unshielded and utilizes SMD/SMT termination.

Chip Ferrite Bead Feature Summary

• Provides high impedance for noise suppression in signal lines
• Supports high DC current capacity for power line filtering
• Automotive qualified under AEC-Q200 standards

Chip Ferrite Bead Applications

• Automotive electronic systems
• Power supply circuits
• EMI suppression filters

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'DN' against official Murata documentation to confirm exact electrical characteristics and automotive qualification status. Ensure the ordering part number matches the required impedance and current ratings for the target application circuit design.

Chip Ferrite Bead Selection Notes

Select this component for applications requiring 0603 footprint size with 220 Ohm noise filtering. Confirm that the 1.4 A current rating meets the circuit's operational requirements. Verify compatibility with surface mount assembly processes and operating temperature ranges.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM series of ferrite beads. It is designed for surface mount technology and is commonly used in compact electronic designs where space constraints require small form factors like the 0603 package.

Chip Ferrite Bead Replacement Considerations

Check for equivalent parts from other manufacturers offering 220 Ohms @ 100 MHz in 0603 packages. Verify matching current ratings and physical dimensions for direct replacement.