DR331-105BE

Common Mode Chokes Overview

The Bourns DR331-105BE is a surface mount common mode filter choke from the DR331 series, designed for data line applications. It features a ferrite core with bifilar windings and offers an inductance of 1 mH with a 25% tolerance. The component supports a maximum DC current of 500 mA and has a maximum DC resistance of 400 mOhms. It operates within a temperature range of -40°C to +135°C. Physical dimensions are 9 mm in length, 5.4 mm in width, and 4.7 mm in height, with a lead pitch of 3.7 mm.

Common Mode Chokes Feature Summary

• Bifilar winding construction for effective common mode noise suppression
• Ferrite core material providing wide frequency range performance
• Surface mount design optimized for PCB integration

Common Mode Chokes Applications

• Data line filtering
• Common mode noise suppression in electronic circuits

Common Mode Chokes Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure accuracy. Confirm that the bifilar winding configuration and ferrite core material match project requirements. Check RoHS compliance status through the official datasheet. Ensure the operating temperature range and current ratings align with the intended application environment before procurement.

Common Mode Chokes Selection Notes

Select this component when high-frequency common mode noise reduction is required for data lines. The bifilar winding structure provides efficient filtering characteristics. Consider the physical footprint and lead pitch for PCB layout compatibility. Evaluate the thermal performance within the specified operating temperature range to ensure reliability under load conditions.

Common Mode Chokes Part Context

This component belongs to the Bourns DR331 series of surface mount data line chokes. The series utilizes bifilar or sector windings on ferrite cores to achieve effective noise suppression across a wide frequency spectrum. These components are engineered for compact PCB mounting solutions requiring reliable electromagnetic interference mitigation.

Common Mode Chokes FAQ

What type of winding does the DR331-105BE use?

The DR331-105BE uses bifilar windings.

Is the DR331-105BE RoHS compliant?

Yes, the component is RoHS compliant.