ELF-21V025A

Common Mode Chokes Overview

The ELF-21V025A is a common mode line filter from the Panasonic V Series, designed for through-hole mounting. It features an inductance of 4.5 mH and a current rating of 2.5 A. The component measures 1.142 inches in length, 0.827 inches in width, with a maximum height of 1.398 inches (35.50 mm). It is classified as a two-line power line filter intended for electromagnetic interference suppression.

Common Mode Chokes Feature Summary

• Common mode choke design for power line applications
• Through-hole mounting configuration
• Two-line filtering capability

Common Mode Chokes Applications

• Power line EMI suppression
• Electromagnetic interference filtering in electronic equipment

Common Mode Chokes Procurement Notes

Verify availability status carefully as this part may be obsolete or discontinued. Confirm exact specifications against official Panasonic datasheets before integration. Check for regional distribution restrictions. Ensure compatibility with existing board layouts due to specific dimensional requirements. Validate that the 2.5 A rating meets system current demands.

Common Mode Chokes Selection Notes

Select this component when a 4.5 mH inductance at 2.5 A is required for common mode noise reduction. Consider the physical dimensions of 29.00 mm by 21.00 mm for PCB space allocation. Verify that through-hole technology aligns with manufacturing processes. Ensure the V Series characteristics match the circuit's impedance and frequency requirements.

Common Mode Chokes Part Context

This component belongs to the Panasonic V Series of common mode chokes and filters. It is specifically engineered for power line applications requiring significant inductance. The series offers various current ratings and inductance values to suit different filtering needs within industrial and commercial electronics.

Common Mode Chokes Replacement Considerations

Check Panasonic's official documentation for direct substitutes. Verify that any replacement maintains the 4.5 mH inductance and 2.5 A current rating. Ensure physical footprint compatibility if replacing on existing boards. Confirm electrical performance matches original specifications.