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The Ferroxcube WBC1.5/A-3S4-Z is a wideband choke designed for EMI suppression, utilizing 3S4 ferrite material in an axial through-hole package. It provides an impedance magnitude of at least 300 Ohms at 120 MHz. The component is RoHS3 compliant and suitable for applications requiring broadband noise attenuation across power or signal lines.
Verify the specific impedance characteristics against application requirements, noting the minimum 300 Ohm rating at 120 MHz. Confirm that the axial through-hole form factor aligns with the target PCB layout constraints. Ensure the 3S4 material properties meet the necessary frequency response specifications for the intended noise environment.
Select this component when broadband attenuation is required rather than narrowband filtering. The 3S4 material offers distinct permeability characteristics compared to alternatives like 4B1. Consider the physical dimensions and axial leads for mechanical stability during assembly and operation within the final device enclosure.
This part belongs to the WBC1.5/A series of wideband chokes manufactured by Ferroxcube. The series utilizes various ferrite materials, with the 3S4 designation indicating a specific magnetic formulation optimized for high-frequency performance. These components are engineered for robust EMI control in compact electronic assemblies.
The WBC1.5/A-4B1-Z is a documented alternative within the same series, differing primarily in the ferrite material composition (4B1 instead of 3S4). Verify impedance curves and frequency response compatibility before substitution.