ELF-21V010A

Common Mode Chokes Overview

The ELF-21V010A is a common mode choke manufactured by Panasonic Industry, designed for line filter applications. It features an inductance of 27 mH and supports a maximum rated current of 1 A. The component utilizes a through-hole mounting method and is housed in a package measuring 0.827 inches in length, 1.142 inches in width, and 1.358 inches in height (21.00 mm x 29.00 mm x 34.50 mm). This specific part number is classified as obsolete within the manufacturer's product lineup.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for line filtering applications
• Supports through-hole installation for robust mechanical attachment
• Engineered with a 27 mH inductance rating for effective signal filtering

Common Mode Chokes Applications

• Line filter circuits requiring common mode noise reduction
• Electronic equipment utilizing through-hole assembly processes
• Industrial control systems needing reliable EMI suppression components

Common Mode Chokes Procurement Notes

This component is officially listed as obsolete by Panasonic Industry. Availability is restricted or non-existent through standard distribution channels. Verify end-of-life status with authorized suppliers before design finalization. Consider alternative sourcing strategies or legacy stock verification if replacement is required for existing manufacturing lines.

Common Mode Chokes Selection Notes

Select this component only for maintenance or legacy system repairs where original specifications are mandatory. The 27 mH inductance and 1 A current rating define its electrical performance envelope. Ensure PCB layout accommodates the specified through-hole dimensions and spacing requirements to maintain mechanical integrity during operation.

Common Mode Chokes Part Context

The ELF-21V series represents Panasonic's line of common mode chokes intended for industrial and infrastructure applications. These components are engineered to suppress electromagnetic interference in power lines. The ELF-21V010A specifically denotes a variant within this family characterized by its particular inductance value and physical footprint suitable for high-reliability environments.

Common Mode Chokes Replacement Considerations

No public confirmed substitute part numbers are available for this obsolete component. Designers must evaluate equivalent common mode chokes from other manufacturers that match the 27 mH inductance, 1 A current rating, and through-hole package dimensions to ensure functional compatibility.