LF1290NP-222

Common Mode Chokes Overview

The LF1290NP-222 is a through-hole common mode choke manufactured by Sumida America Components Inc. It features an inductance of 2.2 mH at a test frequency of 1 kHz and supports a maximum rated current of 450 mA. The component has a maximum DC resistance of 700 mOhm. Its physical dimensions are 17.00 mm in length, 13.00 mm in width, and 9.50 mm in height.

Common Mode Chokes Feature Summary

• Provides common mode noise filtering for dual-line applications
• Utilizes a through-hole mounting configuration for PCB integration
• Constructed with lead-free materials compliant with RoHS standards

Common Mode Chokes Applications

• Dual-line signal filtering
• Common mode noise suppression in electronic circuits
• Power supply input stages requiring EMI reduction

Common Mode Chokes Procurement Notes

Verify the specific package type and pin configuration against the official datasheet to ensure compatibility with the target PCB footprint. Confirm that the 450 mA current rating meets the operational requirements of the circuit design. Check for any specific handling instructions or moisture sensitivity levels defined by the manufacturer before assembly.

Common Mode Chokes Selection Notes

Select this component when a through-hole solution is required for common mode noise suppression on dual lines. Ensure the 2.2 mH inductance value aligns with the intended filtering frequency range. Verify that the 700 mOhm DC resistance does not introduce excessive voltage drop in the application circuit.

Common Mode Chokes Part Context

This component belongs to the LF1290 series of common mode chokes from Sumida. The series offers various inductance values within a specified range, designed for through-hole mounting. These components are engineered to provide effective electromagnetic interference suppression in compact form factors suitable for general electronic equipment.

Common Mode Chokes Replacement Considerations

SPRH127-220M by CODACA is listed as a similar replacement option.