782422301

Overview

The Würth Elektronik 782422301 is a surface-mount EMI suppression ferrite bead from the WE-CBA series, designed for high-frequency noise attenuation in compact electronic assemblies. It features a 0402 (1005 metric) package with dimensions of 1.0 mm length, 0.5 mm width, and 0.5 mm height. The component provides an impedance of 300 ohms at 100 MHz and supports a maximum DC current rating of 200 mA. It exhibits a maximum DC resistance of 0.7 ohms and operates within a temperature range of -55°C to +125°C. The part is qualified under AEC-Q200 standards.

Feature Summary

• Provides effective electromagnetic interference suppression through high impedance characteristics at target frequencies.
• Complies with AEC-Q200 qualification standards for automotive reliability requirements.
• Utilizes a compact 0402 surface-mount footprint suitable for space-constrained printed circuit board layouts.

Applications

• Automotive electronics systems requiring AEC-Q200 compliant components
• High-speed digital signal line filtering
• Power supply output noise reduction

Procurement Notes

Verify the specific manufacturer datasheet for the 782422301 part number to confirm final electrical tolerances and thermal ratings. Ensure that the selected component meets the required impedance specifications for the intended frequency range. Cross-reference the AEC-Q200 certification status if the application demands strict automotive grade validation. Confirm package dimensions match the PCB footprint design constraints.

Selection Notes

Select this component when a small form factor is required for EMI filtering in sensitive circuits. The 300-ohm impedance at 100 MHz makes it suitable for attenuating higher frequency noise. Consider the 200 mA current rating to ensure the component does not saturate or overheat during normal operation. The wide operating temperature range supports deployment in harsh environments without derating concerns.

Part Context

This ferrite bead belongs to the WE-CBA series by Würth Elektronik, which focuses on providing reliable EMI suppression solutions. The series is engineered for surface-mount technology, offering consistent performance across various industrial and consumer applications. The 782422301 variant specifically targets applications needing precise impedance control in a minimal footprint.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing designs before considering alternative manufacturers.

FAQ

What is the impedance value of the 782422301 at 100 MHz?

The impedance is 300 ohms at 100 MHz.

Is the 782422301 qualified for automotive applications?

Yes, the component is AEC-Q200 qualified.

What is the maximum DC current rating for this ferrite bead?

The maximum DC current rating is 200 mA.