CMX1211W182B-10

Common Mode Chokes Overview

The CMX1211W182B-10 is a surface-mount common mode choke manufactured by Laird-Signal Integrity Products. It features a two-line configuration designed for power line filtering applications. The component exhibits an inductance of 1800 µH at a test frequency of 100 kHz and supports a maximum current rating of 9A. Its maximum DC resistance (DCR) is specified as 14 mOhm. The device utilizes a surface mount package suitable for automated assembly processes.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for dual-line circuits
• Engineered for high-current power line applications
• Utilizes a compact surface mount footprint

Common Mode Chokes Applications

• Power supply input filtering
• Data bus protection
• Industrial equipment EMI mitigation

Common Mode Chokes Procurement Notes

Verify the manufacturer part number against official Laird documentation to ensure authenticity. Confirm that the specific variant matches the required electrical specifications, particularly the 1800 µH inductance and 9A current rating. Check for RoHS compliance status if environmental regulations apply to your manufacturing process. Ensure the surface mount package dimensions align with your PCB design constraints before finalizing procurement.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring robust common mode noise rejection for high-current power lines. The 14 mOhm DCR minimizes power loss during operation. Consider the physical size and mounting requirements relative to available board space. Evaluate thermal performance under continuous load conditions to ensure reliability within the operating temperature range.

Common Mode Chokes Part Context

This component belongs to the CMX series of common mode chokes from Laird-Signal Integrity Products. These devices are engineered to address electromagnetic interference issues in electronic systems. The series offers various inductance values and current ratings to suit different application needs. The CMX1211W182B-10 specifically targets scenarios demanding high inductance and current handling capabilities in a compact form factor.

Common Mode Chokes Replacement Considerations

Direct substitutes may include other Laird CMX series components with matching inductance and current ratings. Cross-manufacturer replacements require verification of equivalent electrical parameters, including inductance, DCR, and current capacity. Ensure mechanical compatibility and mounting style match the original design requirements.