DR331-104AE

Common Mode Chokes Overview

The Bourns DR331-104AE is a surface-mount common mode choke designed for data line protection. It features an inductance of 100 µH with a 25% tolerance and a maximum DC current rating of 500 mA. The component exhibits a maximum DC resistance of 0.1 Ω and supports voltages up to 80 V DC. Operating within a temperature range of -40 °C to +135 °C, it utilizes ferrite core material. Physical dimensions are 7.3 mm in length, 5.4 mm in width, and 4.7 mm in height, utilizing SMD termination.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for high-speed data lines
• Utilizes ferrite core technology for effective EMI filtering
• Designed for compact surface-mount PCB integration

Common Mode Chokes Applications

• High-speed data interface protection
• USB port filtering
• Ethernet line noise suppression

Common Mode Chokes Procurement Notes

Verify the specific suffix 'AE' against official Bourns documentation to confirm tape-and-reel packaging and RoHS compliance status. Ensure the selected variant matches the required 100 µH inductance and 500 mA current rating for the target application circuit design.

Common Mode Chokes Selection Notes

Select this component when space-constrained designs require efficient common mode filtering for digital signal integrity. The low profile and small footprint suit dense PCB layouts. Confirm that the 500 mA saturation current meets the operational requirements of the protected data bus without performance degradation.

Common Mode Chokes Part Context

This part belongs to the DR331 series of surface-mount data line chokes from Bourns. The series offers various inductance values tailored for different frequency attenuation needs while maintaining consistent physical dimensions and mounting characteristics for standardized board designs.

Common Mode Chokes Replacement Considerations

Check Bourns datasheets for other DR331 variants with matching 100 µH inductance and 500 mA ratings. Verify pin compatibility and thermal characteristics before substituting.