742792045

Overview

The Würth Elektronik 742792045 is a WE-CBF series surface-mount ferrite chip bead designed for EMI suppression in single signal lines. It features an 0805 (2012 metric) package with dimensions of 2.00mm length, 1.20mm width, and a maximum height of 1.10mm. The component provides an impedance of 750 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 200 mA and has a maximum DC resistance of 300 mOhms. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.

Feature Summary

• Provides effective electromagnetic interference suppression for high-speed signal lines through high impedance characteristics.
• Features low DC resistance to minimize signal attenuation and power loss in sensitive circuits.
• AEC-Q200 qualified for automotive reliability standards, ensuring durability under varying thermal conditions.

Applications

• EMI suppression in automotive electronic systems
• Signal line filtering in high-speed digital circuits
• Noise reduction in portable consumer electronics

Procurement Notes

Verify the specific impedance value and current rating against your circuit requirements before ordering. Confirm that the 0805 package size fits your PCB footprint constraints. Ensure the supplier provides official datasheets to validate the AEC-Q200 status and material composition for compliance purposes.

Selection Notes

Select this component when designing for single-line signal integrity where moderate current handling is required. The 0805 form factor offers a balance between performance and board space efficiency. Consider the 750 Ohm impedance profile for frequencies around 100 MHz to ensure adequate noise attenuation without affecting signal quality.

Part Context

This part belongs to the WE-CBF series of SMD ferrite beads from Würth Elektronik. These components are engineered for direct mounting on printed circuit boards, offering compact solutions for noise suppression. The series is widely used in applications requiring reliable EMI control in constrained spaces.

Replacement Considerations

Check for equivalent parts within the same impedance and current ratings. Verify package compatibility and thermal characteristics when substituting. Ensure any alternative maintains the required AEC-Q200 qualification if used in automotive contexts.