3-143-902

Overview

The Schurter 3-143-902 is a two-line common mode choke designed for high-current applications. It features a compensated design with an inductance of 11 mH and a rated current of 85 A. The component utilizes through-hole terminals and operates within a temperature range of -40°C to 125°C. It supports voltages up to 800 V DC and 250 V AC, with a low DC resistance of 0.9 mOhm.

Feature Summary

• Compensated high-current choke design
• Two-phase configuration
• Through-hole terminal mounting

Applications

• Computer power supplies
• Peripheral equipment filtering
• High-current suppression circuits

Procurement Notes

Verify availability status as the product may be discontinued or end-of-life. Confirm technical specifications against official datasheets before integration. Ensure compatibility with existing thermal management systems given the high current rating. Check for authorized distributors to guarantee authenticity.

Selection Notes

Select this component for applications requiring high inductance in a compact form factor. Consider the through-hole mounting requirement during PCB layout. Evaluate thermal performance under full load conditions due to the 85 A rating. Verify voltage ratings match the specific circuit requirements.

Part Context

This component belongs to Schurter's common mode choke portfolio, specifically engineered for electromagnetic interference suppression in high-power environments. It complements other filtering solutions by providing robust noise reduction capabilities while maintaining electrical integrity under demanding operational conditions.

Replacement Considerations

Check for direct substitutes from Schurter or compatible manufacturers offering similar inductance and current ratings. Ensure pinout and mechanical dimensions align with existing designs if cross-referencing alternative suppliers.