LF1290NP-102

Common Mode Chokes Overview

The LF1290NP-102 is a surface-mount AC common mode choke manufactured by Sumida America Components Inc. It features a ferrite core and provides an inductance of 1 mH with a current rating of 650 mA. The component is designed for power line filtering applications, offering electromagnetic interference suppression in compact electronic assemblies.

Common Mode Chokes Feature Summary

• Surface-mount construction for automated PCB assembly
• Ferrite core material for effective high-frequency noise attenuation
• Dual-line configuration for differential mode signal integrity

Common Mode Chokes Applications

• AC power input filtering
• Electromagnetic interference suppression in consumer electronics
• Signal line protection in industrial control systems

Common Mode Chokes Procurement Notes

Verify the specific package dimensions and terminal compatibility against your PCB footprint before ordering. Confirm that the 650 mA current rating meets your circuit's operational requirements under all expected load conditions. Ensure compliance with local environmental regulations regarding RoHS status.

Common Mode Chokes Selection Notes

Select this component when space-constrained AC filtering is required. Compare its impedance characteristics against alternative chokes to ensure adequate noise reduction at target frequencies. Validate thermal performance if operating near maximum current limits.

Common Mode Chokes Part Context

This part belongs to Sumida's passive components portfolio, specifically within their common mode choke series. It serves as a specialized filter for AC lines, distinct from standard power inductors or DC chokes used in other circuit topologies.

Common Mode Chokes Replacement Considerations

SPRH127-102M is listed as a similar substitute option. Verify electrical equivalence and physical fitment before implementation.