FN2090-4-06

Overview

The Schaffner FN2090-4-06 is a single-phase, two-stage power line filter designed for chassis mounting. It features a rated voltage of 250 VAC and a current rating of 4 A. The component operates within a frequency range of 0 Hz to 400 Hz and has a maximum leakage current of 450 uA. Physical dimensions are 64.8 mm in length, 49.8 mm in width, and 30.3 mm in height. It utilizes fast-on terminals for connection and supports an operating temperature range from -25°C to +100°C. The unit weighs 176 g and holds UL, CSA, and IEC/EN compliance certifications.

Feature Summary

• Two-stage filtering architecture providing high attenuation performance for EMI/RFI suppression
• High permeability core material choke offering excellent temperature stability
• Chassis mount design with fast-on terminal connections for straightforward installation

Applications

• Power supply input stages requiring EMI suppression
• Industrial equipment power conditioning
• Medical device power interfaces

Procurement Notes

Verify the specific datasheet version for the FN2090-4-06 to confirm exact pinout configurations and terminal spacing before integration. Ensure that the chassis mounting holes align with the specified physical dimensions of 64.8 mm by 49.8 mm. Confirm that the 4 A current rating meets the operational requirements of the target circuit under all expected load conditions.

Selection Notes

Select this model when a compact, single-phase solution is required for applications needing robust common-mode and differential-mode noise reduction. The two-stage design is suitable for environments with significant conducted interference. Consider the 4 A rating and 250 VAC limit to ensure compatibility with the system's electrical specifications and safety standards.

Part Context

This component belongs to the FN2090 series of AC/DC EMC filters manufactured by TE Connectivity / Schaffner. The series is characterized by multi-stage designs intended for high-noise filtering applications. These filters share form factors with other series like FN2060 and FN2080, facilitating standardized mechanical integration across different product lines while maintaining distinct electrical performance profiles.

Replacement Considerations

Cross-reference part number 802439-SF as an alias. Verify equivalent ratings in alternative models if sourcing constraints exist.