ILHB0805ER251V

Chip Ferrite Bead Overview

The ILHB0805ER251V is a high-current multilayer ferrite bead manufactured by Vishay / Dale. It features an 0805 surface-mount package with dimensions of 2 mm length, 1.25 mm width, and 0.9 mm height. The component provides an impedance of 250 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 3 A and has a maximum DC resistance of 40 mOhms. The operating temperature range spans from -55 C to +125 C.

Chip Ferrite Bead Feature Summary

• Multilayer ferrite construction designed for high-current applications
• Surface-mount termination compatible with standard SMD/SMT processes
• Wide operational temperature capability extending to negative extremes

Chip Ferrite Bead Applications

• DC/DC power supply filtering
• High-current signal line noise suppression
• General EMI suppression in compact PCB layouts

Chip Ferrite Bead Procurement Notes

Verify the specific manufacturer part number against official Vishay documentation to confirm electrical parameters and physical dimensions. Ensure that the selected component meets the required current handling and impedance specifications for the target circuit design before finalizing procurement decisions.

Chip Ferrite Bead Selection Notes

Select this component when a compact 0805 footprint is required alongside significant current carrying capacity. The low DC resistance minimizes voltage drop in power paths, while the specified impedance profile targets noise attenuation at 100 MHz. Confirm thermal management requirements align with the stated operating temperature limits.

Chip Ferrite Bead Part Context

This component belongs to the ILHB series of high-current multilayer ferrite beads. The series utilizes advanced ceramic materials to achieve high saturation currents within small surface-mount packages. It serves as a passive filter element for suppressing electromagnetic interference in modern electronic assemblies.

Chip Ferrite Bead Replacement Considerations

Consult official Vishay catalogs for direct substitutes within the ILHB series or equivalent high-current ferrite beads from other manufacturers. Verify that any replacement matches the 0805 footprint, 250 Ohm impedance, and 3 A current rating.