PA3747.305NL

Common Mode Chokes Overview

The PA3747.305NL is a two-channel common mode choke manufactured by Pulse Electronics, designed for vertical through-hole mounting on printed circuit boards. This power line filter features an inductance of 3 mH with a 20% tolerance and offers a maximum DC current rating of 2.75 A. The component exhibits a maximum DC resistance of 49.5 mOhms and provides an impedance of 11.57 kOhms at its self-resonant frequency of 940 kHz. It operates reliably within a temperature range of -40°C to +125°C and has physical dimensions of 19.3 mm in length, 18.2 mm in width, and 22.9 mm in height.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for power lines using a dual-channel design.

Common Mode Chokes Applications

• Power line filtering in electronic equipment

Common Mode Chokes Procurement Notes

Verify the specific manufacturer part number against official Pulse Electronics documentation to ensure accuracy. Confirm that the required electrical parameters, including inductance, current ratings, and impedance, align with the target circuit design requirements before procurement.

Common Mode Chokes Selection Notes

Select this component when a through-hole solution is required for power line applications. Ensure the PCB layout accommodates the specified vertical mounting style and physical footprint dimensions while meeting the necessary thermal and electrical performance criteria.

Common Mode Chokes Part Context

This component belongs to the PA3747 series of common mode chokes from Pulse Electronics. These devices are engineered for general-purpose power line filtering, offering reliable performance in standard industrial and commercial environments through robust through-hole construction.

Common Mode Chokes Replacement Considerations

Consult official manufacturer substitution guides for verified alternatives. Cross-reference key specifications such as inductance, current handling, and physical dimensions to ensure compatibility with existing designs.