782965700

Overview

The Würth Elektronik 782965700 is a surface-mount EMI suppression ferrite bead from the WE-CBA series, designed for high-speed and high-current applications. It features an 1812 package with dimensions of 4.5 mm length, 3.2 mm width, and 1.5 mm height. The component offers an impedance of 70 ohms at 100 MHz and 120 ohms at higher frequencies. It supports a maximum DC current of 6 A with a maximum DC resistance of 12 milliohms. Operating temperatures range from -55°C to +125°C, and it holds AEC-Q200 qualification.

Feature Summary

• Surface-mount design optimized for high-speed signal integrity and high-current power lines
• AEC-Q200 qualified for automotive reliability standards
• Low DC resistance minimizes power loss in sensitive circuits
• Wide operating temperature range ensures stability in harsh environments

Applications

• Automotive electronics requiring AEC-Q200 compliance
• High-speed data line filtering in consumer electronics
• Power supply output filtering for noise suppression
• EMI reduction in compact mobile devices

Procurement Notes

Verify the specific impedance value (70 ohms vs 120 ohms) against your schematic requirements, as datasheets may list multiple test frequencies. Confirm the 1812 package footprint matches your PCB layout exactly. Ensure the supplier provides the official Wurth Elektronik datasheet for the 782965700 part number to validate the AEC-Q200 status and thermal ratings before finalizing procurement.

Selection Notes

Select this component when space constraints require an 1812 package but high current handling up to 6 A is necessary. Compare its low DC resistance against other ferrite beads to ensure minimal voltage drop in your circuit. Consider the -55°C to +125°C range if the application involves extreme environmental conditions. Verify that the impedance profile at your target noise frequency aligns with the 70 ohm specification.

Part Context

This part belongs to the WE-CBA series of SMT ferrite beads from Würth Elektronik. These components are engineered specifically for suppressing electromagnetic interference in modern electronic systems where size and current capacity are critical. The series is widely used in automotive and industrial applications due to its robust construction and standardized packaging options.

Replacement Considerations

Check for direct substitutes within the WE-CBA series with similar impedance and current ratings. Ensure any replacement maintains the 1812 footprint and AEC-Q200 qualification if automotive use is required. Verify that the alternative component's DC resistance does not exceed 12 milliohms to prevent performance degradation.