8119

Overview

The Bourns Inc. 8119 is a two-line through-hole common mode choke designed for high-current applications. It features a maximum DC current rating of 14.5A and an impedance of 4 mH at 1 kHz. The component has a DC resistance (DCR) of 12mOhm and operates with a dielectric strength of 1500 Vrms. Physical dimensions are 1.700 inches in length by 0.900 inches in width.

Feature Summary

• Provides common mode noise suppression for dual-line circuits
• Supports high continuous DC current operation up to 14.5A
• Constructed for through-hole mounting on printed circuit boards

Applications

• Power factor correction systems
• Industrial control equipment
• Automotive electronics modules

Procurement Notes

Verify the specific suffix, such as -RC, against the manufacturer's official datasheet to confirm exact packaging and compliance status. Ensure that the required lead time aligns with project schedules, as standard ordering times may vary. Confirm that the physical footprint matches the design constraints before finalizing procurement orders.

Selection Notes

Select this component when high current handling capacity is required alongside effective common mode interference reduction. Evaluate thermal performance under sustained load conditions due to inherent resistive losses. Ensure the through-hole package style fits the manufacturing process and board layout requirements effectively.

Part Context

This part belongs to the Bourns 8100 series of common mode chokes. The series provides various options for filtering electromagnetic interference in power supply lines. The 8119 model specifically addresses needs for robust current carrying capability in industrial and automotive environments.

Replacement Considerations

Consult official substitution lists for compatible components within the same series or equivalent specifications from other manufacturers. Verify electrical parameters and mechanical dimensions match before replacing.