BLM03BC800SN1D

Chip Ferrite Bead Overview

The Murata BLM03BC800SN1D is a single-type chip ferrite bead designed for electromagnetic interference suppression in surface-mount applications. It operates within a temperature range of -55°C to +125°C and features an impedance of 80 Ohms with a 25% tolerance at a test frequency of 100 MHz. The component supports a maximum DC current of 100 mA and exhibits a maximum DC resistance of 1.4 Ohms. Physically, it conforms to the 0201 (0603 metric) package dimensions, measuring 0.6 mm in length, 0.3 mm in width, and 0.3 mm in height.

Chip Ferrite Bead Feature Summary

• Provides EMI noise attenuation through high-impedance characteristics at specific frequencies
• Supports surface-mount technology for automated assembly integration
• Maintains operational stability across extended industrial temperature ranges

Chip Ferrite Bead Applications

• Signal line filtering in electronic circuits
• General-purpose noise suppression applications
• Power supply input/output decoupling

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes against official Murata documentation to ensure correct impedance and packaging specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to ordering. Cross-reference datasheet revisions to validate electrical parameters match design constraints. Ensure storage conditions adhere to manufacturer guidelines for lead-free components.

Chip Ferrite Bead Selection Notes

Select this component when circuit design requires low-current handling capability alongside compact footprint constraints. Evaluate thermal performance under continuous load conditions to ensure the 100 mA rating remains sufficient. Compare impedance curves against target noise frequencies to verify effective attenuation. Consider parallel configurations if higher current capacity or lower DC resistance is required without increasing physical size.

Chip Ferrite Bead Part Context

This component belongs to the BLM03_SN series of ferrite chips manufactured by Murata Electronics. The series offers various impedance values within the same 0201 package form factor, allowing designers to customize noise suppression characteristics while maintaining consistent board layout dimensions. These parts are widely used in portable electronics and consumer devices requiring efficient EMI management.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Alternative part numbers may offer different impedance values or current ratings within the same package family.