7112-RC

Overview

The Bourns 7112-RC is a through-hole common mode choke designed for EMI suppression. It features an inductance of 0.85 mH at 1 kHz and supports a maximum DC current of 2 A. The component has a maximum DC resistance of 50 mOhms and operates within a temperature range of -55°C to +105°C. It provides high impedance at low frequencies and offers dielectric strength of 3750 Vrms.

Feature Summary

• Reduces conductive EMI emissions
• High current capacity
• High impedance at low frequency

Applications

• Power supply filtering
• Signal line noise suppression
• Differential-mode and common-mode noise filtering

Procurement Notes

Verify the specific suffix RC against official Bourns documentation to confirm lead-free compliance and packaging details. Ensure the selected variant matches the required through-hole mounting style and pin configuration for your PCB layout. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.

Selection Notes

Select this component when applications require robust common mode noise attenuation with high current handling capabilities. The 0.85 mH inductance value is suitable for low-frequency interference suppression. Verify that the 2 A current rating aligns with the circuit's operational requirements and that the through-hole package fits the available board space constraints.

Part Context

This component belongs to the Bourns 7100 series of common mode chokes. These devices are engineered for general-purpose EMI filtering in electronic circuits. The series emphasizes reliability and performance in suppressing electromagnetic interference across various industrial and consumer applications.

Replacement Considerations

Consult official Bourns substitution guides for verified alternatives. Do not assume compatibility based on similar inductance values alone; verify current ratings, physical dimensions, and electrical characteristics against the original specification.