7117

Overview

The Bourns Inc. 7117 is a two-line common mode choke designed for through-hole PCB mounting. It features an inductance of 1 mH at 1 kHz with a 15% tolerance and supports a maximum DC current of 5 A. The component has a maximum DC resistance (DCR) of 35 mΩ. It operates within a temperature range of -55°C to +105°C. Physical dimensions are 20.32 mm in length, 11.43 mm in width, and 13.97 mm in height. The package type is bulk.

Feature Summary

• Two-line configuration for common mode noise suppression
• Through-hole termination for PCB integration
• High current handling capability up to 5 A
• Wide operating temperature range from -55°C to +105°C

Applications

• Data line filtering in electronic circuits
• Common mode noise reduction in power supplies
• Signal integrity protection in communication interfaces

Procurement Notes

Verify the specific suffix designation when ordering, as the base part number 7117 may have distinct electrical characteristics or packaging compared to variants like 7117-RC. Confirm RoHS compliance status directly with the manufacturer or authorized distributor, as documentation indicates potential variations in environmental compliance between different production batches or suffixes. Ensure the required inductance value matches the application needs, noting discrepancies between 1 mH and 850 uH ratings found in various listings.

Selection Notes

Select this component for applications requiring robust common mode rejection in high-current environments. The through-hole design suits manual assembly or wave soldering processes. Evaluate the physical footprint constraints against the specified dimensions of 20.32 mm x 11.43 mm x 13.97 mm. Consider the thermal performance within the -55°C to +105°C range for harsh environment deployments. Verify that the 35 mΩ DCR meets the voltage drop requirements of the circuit design.

Part Context

The 7117 belongs to the Bourns 7100 series of common mode chokes. This series is characterized by epoxy-applied construction for mechanical stability. The component is classified as a data line filter intended for suppressing electromagnetic interference. It utilizes a vertical, leadless base design with two pins for secure board attachment. The series targets industrial and commercial electronics requiring reliable noise filtration.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Variants such as 7117-RC exist but exhibit differing inductance specifications (850 uH vs 1 mH), requiring careful evaluation before substitution. No other direct cross-references are documented.