782429461

Overview

The Würth Elektronik 782429461 is a surface-mount ferrite bead from the WE-CBA series, housed in a 0402 (1005 Metric) package. It provides an impedance of 460 ohms at 100 MHz and supports a DC current rating of 500 mA with a maximum DC resistance of 0.55 ohms. The component operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Feature Summary

• Provides high-frequency noise suppression through significant impedance characteristics
• Designed for compact surface-mount integration in space-constrained layouts
• Qualified for automotive applications ensuring operational reliability under strict standards

Applications

• Automotive electronics systems requiring EMI filtering
• General-purpose signal line noise suppression
• Data bus protection in compact electronic devices

Procurement Notes

Verify the specific datasheet version and AEC-Q200 certification status directly with the manufacturer or authorized distributors before finalizing procurement. Ensure that the selected component matches the required impedance curve and current handling capabilities for the intended circuit design to avoid performance discrepancies.

Selection Notes

Select this component when a small form factor is required alongside moderate current handling and specific high-frequency attenuation. The 0402 footprint suits dense PCB layouts, while the 500 mA rating fits low-power signal lines. Confirm thermal management requirements align with the specified operating temperature range during system integration.

Part Context

This ferrite bead belongs to the WE-CBA series, which focuses on providing reliable electromagnetic interference suppression in miniature packages. The series is engineered to meet the stringent demands of modern electronics, balancing size constraints with effective noise filtration capabilities for sensitive signal paths.

Replacement Considerations

Consult official Wurth Elektronik documentation for verified cross-reference part numbers. Do not substitute with generic equivalents without validating impedance curves and current ratings against the original specifications.