ELF-18D428

Common Mode Chokes Overview

The Panasonic ELF-18D428 is a through-hole common mode choke belonging to the ELF-18 series. It features two lines with a nominal inductance of 33.00 mH and a maximum DC resistance of 1.184 Ohms. The component supports a maximum current rating of 500 mA. Designed for vertical mounting, it utilizes a bulk package configuration. This electromagnetic interference filter is engineered for reliable noise suppression in electronic circuits requiring specific inductive characteristics.

Common Mode Chokes Feature Summary

• Provides common mode noise attenuation via dual-line magnetic coupling
• Supports through-hole vertical mounting for PCB integration
• Engineered for stable operation within specified current limits

Common Mode Chokes Applications

• Electromagnetic interference filtering in power supply inputs
• Signal line noise suppression in industrial control systems
• Common mode noise reduction in data communication interfaces

Common Mode Chokes Procurement Notes

Verify part status as obsolete before procurement planning. Confirm availability through authorized distributors or secondary market channels. Ensure compatibility with existing board layouts regarding through-hole dimensions and lead spacing. Review datasheet specifications for electrical parameters to validate suitability for the target application circuit requirements.

Common Mode Chokes Selection Notes

Select this component based on the required 33 mH inductance and 500 mA current handling capability. Verify that the 1.184 Ohm DC resistance meets the voltage drop constraints of the design. Ensure the through-hole package fits the printed circuit board footprint. Consider the obsolete status when planning long-term production lifecycles.

Common Mode Chokes Part Context

This component belongs to the ELF-18 series of common mode chokes manufactured by Panasonic Electronic Components. The series offers various inductance values tailored for different noise suppression needs. The ELF-18D428 specifically provides higher inductance compared to lower-numbered variants in the same family, targeting applications requiring stronger low-frequency noise attenuation.