ELF-18D218

Common Mode Chokes Overview

The Panasonic ELF-18D218 is a through-hole common mode choke designed for line filtering applications. It features an inductance of 22mH and a rated current of 400mA. The component exhibits a DC resistance (DCR) of 1.56 ohms, measured at a standard frequency of 1kHz. Its physical dimensions are 20.00mm in length, 21.00mm in width, with a maximum height of 20.00mm. The device operates reliably within a temperature range of -20°C to 105°C.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for differential signal lines
• Supports through-hole mounting for robust mechanical integration
• Operates across a wide industrial temperature range

Common Mode Chokes Applications

• Line filtering in electronic equipment
• Noise suppression in AC/DC power input stages
• EMI reduction in consumer electronics

Common Mode Chokes Procurement Notes

Verify the exact part number ELF-18D218 against official Panasonic Industry documentation to confirm specifications such as inductance tolerance and current rating. Ensure compatibility with your circuit's thermal and spatial constraints before procurement. Cross-reference datasheets from authorized distributors to validate technical parameters.

Common Mode Chokes Selection Notes

Select this component when a 22mH inductance and 400mA current handling capability are required for common mode noise attenuation. Consider the through-hole package size of 20.00mm x 21.00mm x 20.00mm for board layout planning. Verify that the operating environment stays within the specified -20°C to 105°C temperature range for optimal performance.

Common Mode Chokes Part Context

The ELF series represents Panasonic's line of common mode chokes designed for general-purpose EMI filtering. These components are engineered to suppress electromagnetic interference in various electronic circuits. The ELF-18D218 specifically targets applications requiring moderate inductance values with through-hole mounting capabilities.

Common Mode Chokes Replacement Considerations

Consult official Panasonic substitution guides or equivalent manufacturer datasheets for compatible alternatives. Verify electrical parameters including inductance, current rating, and DCR match before substituting.