PA5140.105NLT

Common Mode Chokes Overview

The PA5140.105NLT is a surface-mount common mode choke manufactured by Pulse Electronics. It features a two-line configuration with an inductance of 154 µH and a DC current rating of 21 A. The component exhibits a maximum DC resistance of 2.2 mΩ and provides an impedance of 820 Ω at 3.3 MHz. Designed for robust performance, it operates within a temperature range of -40°C to +125°C.

Common Mode Chokes Feature Summary

• Surface-mount construction for automated PCB assembly
• Dual-line shielding for effective noise suppression
• High current handling capability for power line applications

Common Mode Chokes Applications

• Power supply input filtering
• Data bus protection
• EMI suppression in industrial equipment

Common Mode Chokes Procurement Notes

Verify the specific datasheet version for the PA5140.105NLT to confirm exact impedance tolerances and thermal derating curves. Ensure compatibility with peak inrush currents during system startup. Cross-reference mechanical dimensions against the target PCB footprint to guarantee proper solder joint integrity and physical clearance constraints.

Common Mode Chokes Selection Notes

Select this component when high current capacity is required alongside moderate common mode noise attenuation. The low DC resistance minimizes power loss in high-amperage circuits. Evaluate the self-resonant frequency to ensure adequate performance at the target interference frequencies. Consider thermal management requirements given the 21 A continuous current rating.

Common Mode Chokes Part Context

This part belongs to Pulse Electronics' CMSC series of common mode chokes. These components are engineered for compact designs requiring significant current handling. The series offers various inductance values to suit different filtering needs while maintaining a consistent surface-mount form factor for space-constrained electronics.

Common Mode Chokes Replacement Considerations

Consult official substitution lists from Pulse Electronics for verified equivalents. Ensure any replacement maintains the 21 A current rating and compatible impedance characteristics. Verify that alternative parts meet the same operating temperature range and mechanical mounting specifications.