PA3747.105NL

Common Mode Chokes Overview

The PA3747.105NL is a two-channel common mode choke manufactured by Pulse Electronics, designed for vertical through-hole mounting on printed circuit boards. It features an unshielded power line configuration with an inductance of 1 mH and a tolerance of 20%. The component supports a maximum DC current of 5 A and exhibits a maximum DC resistance of 2.2 Ohms. Its impedance is rated at 2.2 kOhms, with a self-resonant frequency of 940 kHz. The device operates within a temperature range of -40°C to +125°C and measures 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 dual-line power circuits
• Constructed with an unshielded design suitable for standard PCB layouts
• Engineered for high thermal stability across extended industrial temperature ranges

Common Mode Chokes Applications

• Power line filtering in electronic equipment
• Noise suppression in AC/DC power supplies
• EMI reduction in general-purpose power distribution systems

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 and current ratings, align with the target application requirements. Check for any recent product change notifications or updates to the datasheet before finalizing procurement specifications.

Common Mode Chokes Selection Notes

Select this component when a through-hole solution is required for dual-line power filtering applications. Ensure the PCB layout accommodates the vertical mounting style and the specified physical dimensions. Verify that the operating environment remains within the stated temperature limits and that the current demands do not exceed the maximum DC current rating.

Common Mode Chokes Part Context

This component belongs to the PA3747 series of common mode chokes from Pulse Electronics. It is categorized under inductors, chokes, and coils, specifically designed for power line applications. The series offers various inductance values and current ratings to suit different filtering needs while maintaining consistent mounting and dimensional characteristics.

Common Mode Chokes Replacement Considerations

Consult official Pulse Electronics substitution guides for verified alternative part numbers. Ensure any replacement matches the critical electrical parameters and physical footprint to maintain system compatibility.