WURTH ELEKTRONIK WE-CMB Series Common Mode Choke 3.3mH - 4A

The WURTH ELEKTRONIK WE-CMB Series Common Mode Choke represents a leap forward in managing electromagnetic interference (EMI). Engineered for high-performance power management and motor drive control, this component offers superior suppression of asymmetric interferences, particularly in the critical low-frequency ranges where unwanted noise can severely impact circuit performance.

Its core development focused on minimising parasitic effects, a frequent challenge with common mode chokes. The result is a meticulously designed device where the perfect core-to-winding ratio enables it to handle remarkably high currents within a compact footprint, all while maintaining sufficient inductance for effective filtering.

Key performance features include a low-capacitance winding technique, which facilitates exceptional broadband screening, minimising interference across a wide frequency spectrum. The carefully adjusted wire gauge reduces resistive losses, resulting in lower operating temperatures and enhanced long-term reliability. With a very compact design, it delivers the highest possible current capacity for its size, making it an ideal choice for space-constrained, high-power applications.

The choke is built to withstand demanding industrial environments, operating reliably within a temperature range of -40°C to +125°C. For applications requiring specific performance parameters, custom designs are available on request, providing tailored solutions for unique engineering challenges.

This robust and efficient component is an essential building block for creating stable, clean, and reliable electronic systems, ensuring compliance with electromagnetic compatibility (EMC) standards and improving overall product performance.

Variant Details

• Size: 4A