782763800

Overview

The Würth Elektronik 782763800 is a surface-mount EMI suppression ferrite bead from the WE-CBA series, designed for high-current applications. It features a 1206 (3216 metric) package and utilizes AEC-Q200 qualified materials to ensure automotive reliability. The component provides an impedance of 80 Ω at 100 MHz with a maximum DC current rating of 4 A and a low DC resistance of 0.02 Ω. It operates within a temperature range of -55°C to +125°C.

Feature Summary

• High current handling capability suitable for power line filtering
• Automotive grade qualification ensuring robust performance in harsh environments
• Low DC resistance minimizes power loss in the circuit

Applications

• Automotive electronics noise suppression
• Power supply output filtering
• General EMI suppression in high-current signal lines

Procurement Notes

Verify the specific datasheet version for the 782763800 part number to confirm exact impedance tolerances and thermal characteristics. Ensure that the selected packaging format matches the assembly requirements. Cross-reference the AEC-Q200 certification status if the application mandates strict automotive compliance standards. Confirm the operating temperature range aligns with the final system environment.

Selection Notes

Select this component when high current capacity is required alongside effective high-frequency noise attenuation. The 1206 footprint offers a balance between current handling and board space efficiency. Consider the low DC resistance value to minimize voltage drop across the component in power delivery networks. Verify compatibility with reflow soldering profiles specified for automotive-grade SMT components.

Part Context

This ferrite bead belongs to the WE-CBA series, which focuses on high-performance EMI suppression for demanding applications. The series is characterized by its ability to handle significant DC currents while maintaining stable impedance characteristics. It serves as a critical passive component for protecting sensitive circuits from electromagnetic interference in both industrial and automotive sectors.

Replacement Considerations

Check for direct substitutes within the Würth Elektronik WE-CBA series that match the 1206 package and 80 Ω impedance at 100 MHz. Ensure any replacement maintains the 4 A current rating and AEC-Q200 qualification if automotive use is intended. Verify dimensional compatibility and thermal performance before substitution.