ELF-19N004A

Common Mode Chokes Overview

The ELF-19N004A is a two-line common mode choke manufactured by Panasonic Electronic Components. It is designed for through-hole mounting and features a typical DC resistance of 2.72 Ohms with a maximum current rating of 400mA. The component belongs to the ELF-19 series, which includes various line filter configurations for noise suppression in electronic circuits.

Common Mode Chokes Feature Summary

• Two-line common mode filtering capability
• Through-hole vertical mounting configuration
• Designed for noise suppression in power lines

Common Mode Chokes Applications

• Audio systems noise filtering
• Power supply input stages
• Electronic circuit signal integrity protection

Common Mode Chokes Procurement Notes

Verify RoHS compliance status as sources indicate non-compliance for similar ELF-19N variants. Confirm lead time and availability directly with authorized distributors, as stock levels fluctuate. Ensure the specific suffix matches required electrical tolerances and packaging quantities before ordering.

Common Mode Chokes Selection Notes

Select this component when a 400mA rated common mode choke is required for two-line applications. Verify that the 2.72 Ohm DC resistance aligns with system loss requirements. Ensure the through-hole package dimensions fit the target PCB layout constraints.

Common Mode Chokes Part Context

This part is part of Panasonic's ELF-19 series of common mode chokes. The series offers various current ratings and resistance values. The ELF-19N004A specifically targets lower current applications compared to higher-rated siblings like the ELF-19N010A.

Common Mode Chokes Replacement Considerations

Check Panasonic's official substitution guide for direct equivalents. Verify pinout compatibility and physical dimensions if considering third-party alternatives. Ensure electrical parameters match or exceed original specifications.