7123-RC

Overview

The Bourns 7123-RC is a dual-winding common mode choke designed for data line filtering. It features an inductance of 9.35 mH at 1 kHz and supports a maximum DC current of 5 A with a DCR of 72 mOhm. The component utilizes a pin mount style and offers high dielectric strength of 1000 Vrms. It is mounted on a VW-1 rated header, ensuring low radiation and high current capacity for reliable signal integrity.

Feature Summary

• Dual winding construction for effective noise suppression
• High dielectric strength of 1000 Vrms
• Mounted on VW-1 rated header for safety compliance
• Low radiation characteristics

Applications

• Data line filtering
• Signal integrity protection
• Industrial equipment noise reduction

Procurement Notes

Verify the specific inductance tolerance and DC resistance values against the official datasheet before integration. Confirm that the lead/base style matches the target PCB footprint requirements. Ensure the operating temperature range aligns with the system's environmental conditions to maintain performance stability.

Selection Notes

Select this component when high current handling up to 5 A is required alongside significant common mode noise attenuation. The dual-winding design provides robust filtering for sensitive data lines. Consider the physical dimensions and mounting style to ensure compatibility with the assembly process and enclosure constraints.

Part Context

This part belongs to the Bourns common mode choke family, specifically engineered for data line applications. It complements other EMI suppression solutions by offering high inductance in a compact through-hole package. The series is known for reliability in industrial and commercial environments where signal purity is critical.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.