BLM21AG151SH1D

Chip Ferrite Bead Overview

The Murata Electronics BLM21AG151SH1D is a single-line ferrite chip bead designed for surface-mount applications in the 0805 (2012 metric) package. It provides an impedance of 150 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 800 mA and features a maximum DC resistance of 100 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for differential mode signals in single-line configurations
• Engineered for compact surface-mount integration in space-constrained circuit designs
• Qualified for automotive applications ensuring reliability under rigorous environmental conditions

Chip Ferrite Bead Applications

• Automotive electronic systems requiring EMI suppression
• High-speed digital signal line filtering
• Power supply noise attenuation in portable devices

Chip Ferrite Bead Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct impedance and tolerance specifications. Confirm that the requested variant matches the required AEC-Q200 qualification status if automotive compliance is mandatory. Cross-reference the package dimensions and termination type with the design footprint to guarantee mechanical compatibility during assembly.

Chip Ferrite Bead Selection Notes

Select this component when a 150 Ohm impedance at 100 MHz is required for noise reduction in single-channel applications. Ensure the circuit current does not exceed the 800 mA rating to prevent performance degradation. Consider the 0805 package size for board layout constraints and verify thermal management requirements within the specified operating temperature range.

Chip Ferrite Bead Part Context

This part belongs to the BLM21 series of ferrite beads, which are widely used for electromagnetic interference suppression. The series offers various impedance values and current ratings across different package sizes. This specific model represents a standard solution for general-purpose noise filtering in consumer and automotive electronics.

Chip Ferrite Bead Replacement Considerations

Direct substitutes include BLM21BB151SH1D and BLM21AG151SN1D, which share similar electrical characteristics and package dimensions. Verify impedance tolerances and current ratings before substitution to ensure circuit compatibility.