DR331-513BE

Common Mode Chokes Overview

The Bourns DR331-513BE is a surface mount common mode choke from the DR331 series, designed for EMI suppression in data and signal lines. It features a bifilar winding structure on a ferrite core with molded construction. Key electrical parameters include an inductance of 51 µH at 100 kHz, a maximum DC current rating of 500 mA, and a maximum DC resistance of 300 mΩ. The component operates within a temperature range of -40°C to +135°C and utilizes copper/nickel/tin terminations.

Common Mode Chokes Feature Summary

• Bifilar winding configuration optimized for common mode noise reduction
• Molded ferrite core construction for mechanical stability
• Surface mount design suitable for automated PCB assembly

Common Mode Chokes Applications

• EMI suppression in high-speed data lines
• Signal line filtering in electronic equipment
• Common mode noise attenuation in communication interfaces

Common Mode Chokes Procurement Notes

Verify the complete part number including the suffix BE against official Bourns documentation to ensure correct termination and packaging specifications. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents before procurement integration.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring common mode filtering for data lines with current demands up to 500 mA. Ensure the PCB footprint matches the 0331 package dimensions and that the operating environment stays within the specified -40°C to +135°C thermal limits for reliable performance.

Common Mode Chokes Part Context

This component belongs to the Bourns DR331 series of surface mount common mode chokes. The series offers bifilar or sector windings on ferrite cores, providing wide frequency range suppression capabilities. These components are engineered as economical alternatives to open construction designs while maintaining effective EMI filtering performance for signal integrity applications.

Common Mode Chokes Replacement Considerations

Consult official Bourns substitution guides for verified equivalents. Cross-reference inductance, current rating, and physical dimensions when evaluating alternative manufacturers' parts to ensure functional compatibility without modifying the existing circuit design.