LI0402E190R-10

Chip Ferrite Bead Overview

The LI0402E190R-10 is a single-line ferrite bead from Laird-Signal Integrity Products, designed for EMI filtering in power and signal lines. It features a 0402 (1005 Metric) surface-mount package with dimensions of 1.01mm x 0.50mm and a maximum height of 0.043 inches. The component provides an impedance of 19 Ohms at 100 MHz and supports a maximum current rating of 500mA. Its DC resistance (DCR) is maximized at 100mOhm. It operates within a temperature range of -40°C to 125°C and complies with RoHS3 standards.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference suppression in compact surface-mount form factors
• Designed for integration into power and signal line circuits
• Constructed as a monolithic chip bead for reliable high-frequency performance

Chip Ferrite Bead Applications

• Power supply line filtering
• Signal line noise attenuation
• Compact electronic device EMI mitigation

Chip Ferrite Bead Procurement Notes

Verify the specific manufacturer part number against official datasheets to ensure compatibility with design requirements. Confirm that the 0402 package dimensions and electrical parameters match the target PCB layout. Check for RoHS3 compliance status if required by regulatory standards. Ensure handling procedures align with surface-mount technology guidelines for small-form-factor components.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0402 footprint for EMI suppression. Consider the 500mA current rating and 19 Ohm impedance at 100 MHz for appropriate noise filtering needs. Evaluate the low DC resistance to minimize voltage drop in sensitive signal paths. Ensure the operating temperature range meets the environmental conditions of the final application.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the 0402 series from Laird-Signal Integrity Products, focusing on miniaturization for modern electronics. It serves as a passive component for high-frequency noise reduction. The product line emphasizes compact solutions for portable and dense circuit board designs where space is limited but effective EMI control is necessary.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative ferrite beads based on identical impedance, current rating, and package dimensions before substitution.