WBC2.5/SP-4B1

Overview

The Ferroxcube WBC2.5/SP-4B1 is a wideband choke ferrite bead designed for EMI suppression in through-hole applications. It features an axial package with radial bends, facilitating automated insertion and secure mounting on printed circuit boards. The component utilizes 4B1 material to provide high impedance characteristics across specific frequency ranges. Key electrical parameters include an impedance of 700 Ohms at 75 MHz. The physical dimensions are characterized by a length of 10 mm and a diameter of 6 mm, ensuring compatibility with standard board layouts requiring compact noise filtering solutions.

Feature Summary

• Provides effective electromagnetic interference suppression through wideband choking capabilities
• Features axial leads with radial bends for reliable through-hole mounting
• Utilizes specialized ferrite material optimized for high-frequency noise attenuation

Applications

• Electromagnetic interference suppression in electronic circuits
• Wideband choke applications for signal integrity maintenance
• Through-hole mounting on printed circuit boards for noise filtering

Procurement Notes

Verify the exact part number suffix, specifically the -Z designation, as it may indicate specific packaging or compliance variations compared to standard listings. Confirm that the 700 Ohm impedance specification aligns with your target frequency requirements, noting potential variations such as 725 Ohms at different frequencies found in similar series components. Ensure the axial-radial bend form factor matches your assembly equipment capabilities and board space constraints before finalizing procurement orders.

Selection Notes

Select this component when a through-hole ferrite bead with specific axial-radial geometry is required for EMI suppression. The 4B1 material selection dictates the impedance profile, making it suitable for attenuating noise in the tens of megahertz range. Consider the physical dimensions of 6 mm diameter and 10 mm length to ensure adequate clearance on the PCB layout. This part is appropriate for designs prioritizing robust mechanical mounting via radial bends over surface-mount alternatives.

Part Context

This component belongs to the WBC2.5/SP series of wideband chokes manufactured by Ferroxcube. The series is dedicated to EMI-suppression products utilizing various ferrite materials. The specific model integrates the 4B1 material formulation, which influences its magnetic properties and impedance performance. It represents a standard solution for discrete noise filtering in through-hole electronics assemblies.

Replacement Considerations

The WBC2.5/A-4B1 is a documented variant within the same series, offering comparable 725 Ohm impedance characteristics. Verify if the slight impedance difference and lead configuration changes are acceptable for the specific application circuit without affecting performance.