ELF-25C032A

Common Mode Chokes Overview

The Panasonic ELF-25C032A is a through-hole common mode choke designed for AC line filtering applications. It features a vertical package with four PC pins and supports two lines of operation. The component is rated for a maximum RMS current of 3.2A and an AC voltage rating of 250Vrms. Key electrical specifications include a typical inductance of 1.8mH, a differential mode inductance of 50uH, and a maximum DC resistance (DCR) of 53mΩ. These parameters define its performance in suppressing electromagnetic interference within power supply circuits.

Common Mode Chokes Feature Summary

• Vertical through-hole mounting configuration with four printed circuit board pins
• Dual-line design suitable for AC power line filtering applications
• Capable of handling up to 3.2A RMS current with low DC resistance

Common Mode Chokes Applications

• AC power input filtering in electronic equipment
• Electromagnetic interference suppression in mains-powered devices
• Common mode noise reduction in power supply circuits

Common Mode Chokes Procurement Notes

Verify RoHS compliance status as sources indicate non-compliance. Confirm package type and pin configuration match design requirements. Check datasheet for specific inductance tolerances and thermal characteristics before integration into final assembly.

Common Mode Chokes Selection Notes

Select this component when high current capacity of 3.2A is required for AC line filtering. Ensure the vertical through-hole form factor fits the PCB layout constraints. Compare inductance values against noise suppression requirements to ensure adequate attenuation of common mode signals at target frequencies.

Common Mode Chokes Part Context

This part belongs to the Panasonic ELF series of common mode chokes. It is specifically engineered for AC line applications where robust current handling and effective EMI suppression are critical. The series offers various ratings to suit different power levels and filtering needs.

Common Mode Chokes Replacement Considerations

Check for equivalent parts from other manufacturers offering similar 3.2A current ratings and 250V AC voltage capabilities. Verify that substitute components maintain compatible physical dimensions and pin configurations for direct replacement without PCB redesign.