PA2745NL

Common Mode Chokes Overview

The PA2745NL is a surface-mount common mode choke manufactured by Pulse Electronics. It features a toroidal core design with an inductance of 130 µH and a maximum DC current rating of 5 A. The component exhibits a low maximum DC resistance of 6.75 mΩ, ensuring minimal power loss in high-current applications. It operates within a temperature range of -40°C to +125°C and measures 13.2 mm x 13.2 mm x 5.6 mm.

Common Mode Chokes Feature Summary

• Surface-mount toroidal construction for compact PCB integration
• High current handling capability up to 5 Amperes
• Low DC resistance to minimize signal attenuation and heat generation

Common Mode Chokes Applications

• Power line filtering in electronic circuits
• Common mode noise suppression in data transmission lines
• EMI reduction in consumer electronics power supplies

Common Mode Chokes Procurement Notes

Verify the specific datasheet version before procurement, as product change notifications may alter physical or electrical characteristics. Confirm that the surface-mount package dimensions align with your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the manufacturer part number directly with official Pulse Electronics documentation to avoid counterfeit components.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring robust common mode noise rejection at high current levels. The low DC resistance makes it suitable for power-sensitive applications where efficiency is critical. Consider the 130 µH inductance value for filtering frequencies associated with switching power supplies or digital data lines. Evaluate the thermal performance under continuous 5 A load conditions to ensure reliability.

Common Mode Chokes Part Context

This component belongs to the CMTC product range from Pulse Electronics, specializing in common mode chokes and filters. It is categorized under inductors, chokes, and coils, specifically designed for power line applications. The series focuses on providing reliable EMI suppression solutions for modern electronic devices requiring compact and efficient filtering components.

Common Mode Chokes Replacement Considerations

Consult official Pulse Electronics substitution guides for verified alternatives. Generic equivalents may not match the precise inductance tolerance or current saturation characteristics required for sensitive power line filtering applications.