MI0603L301R-00

Overview

The MI0603L301R-00 is a monolithic ferrite bead from the Laird-Signal Integrity Products MI series, designed for EMI filtering in power and signal lines. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.60mm length by 0.80mm width. The component provides an impedance of 300 Ohms at 100 MHz and supports a maximum DC current of 2A. Its maximum DC resistance is 100 mOhms, and it operates within a temperature range of -40°C to +125°C.

Feature Summary

• Provides high impedance attenuation for electromagnetic interference suppression in single-line configurations.
• Monolithic construction ensures reliability in compact surface-mount applications.
• Rated for continuous operation under significant DC bias currents without saturation.

Applications

• Power line filtering for integrated circuits
• Signal line noise suppression in digital systems
• EMI mitigation in portable electronic devices

Procurement Notes

Verify the specific suffix designation during procurement, as variants such as MI0603L301R-10 may exist with identical electrical characteristics but different packaging or compliance statuses. Confirm RoHS compliance requirements against the specific order code, as older suffixes like -00 may differ from newer revisions. Cross-reference the manufacturer datasheet to ensure the part number matches the intended impedance and current ratings for the design.

Selection Notes

Select this component when a 300 Ohm impedance at 100 MHz is required for a single-line application. Ensure the PCB layout accommodates the 0603 footprint dimensions. Verify that the circuit's DC current does not exceed the 2A rating to maintain effective filtering performance. Consider thermal management if operating near the upper temperature limit.

Part Context

This component belongs to the Laird MI series of ferrite beads, which are widely used for broadband noise suppression. The MI series offers various impedance values and current ratings across multiple package sizes, allowing designers to optimize board space and filtering efficiency. This specific model represents a standard high-impedance option for general-purpose EMI control.

Replacement Considerations

Direct substitutes include MI0603L301R-10, which shares identical electrical specifications. Designers should verify package compatibility and regulatory compliance differences between suffixes before substitution.

FAQ

What is the impedance value of the MI0603L301R-00 at 100 MHz?

The impedance is 300 Ohms at a test frequency of 100 MHz.

Is this component suitable for differential signal lines?

No, this is a single-line (1LN) ferrite bead designed for common-mode or single-ended applications, not differential pairs.