FN2090A-20-08

Overview

The FN2090A-20-08 is a single-phase, two-stage EMI power line filter manufactured by TE Connectivity / Schaffner. It features a 20 A current rating and a 250 VAC voltage rating, designed for operation within a frequency range of 0 Hz to 400 Hz. The unit utilizes threaded stud terminations for both input and output connections. Physical dimensions are approximately 94 mm in length, 56 mm in width, and 45.4 mm in height, with an operating temperature range from -25 °C to +100 °C. It holds UL, CSA, and IEC/EN compliance certifications.

Feature Summary

• Two-stage filtering architecture for enhanced electromagnetic interference suppression
• Threaded stud termination design for secure chassis mounting
• High current capacity suitable for demanding power applications

Applications

• Industrial machinery power conditioning
• Medical equipment noise reduction
• Information technology hardware protection

Procurement Notes

Verify the specific datasheet version for the FN2090A-20-08 to confirm exact terminal torque specifications and mounting hole patterns. Ensure the application environment stays within the stated thermal limits. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm that the threaded post configuration matches the system interface requirements before finalizing procurement.

Selection Notes

Select this component when a robust, high-current solution is required for single-phase systems. The threaded stud interface offers superior mechanical stability compared to quick-connect terminals. Consider the physical footprint and weight constraints during integration. Verify that the leakage current characteristics align with safety standards for the intended end-use equipment.

Part Context

This model belongs to the FN2090 series of power line filters. The series provides various current ratings and termination options. The FN2090A-20-08 specifically addresses higher current needs using threaded posts. It serves as a critical component for maintaining signal integrity in noisy electrical environments.

Replacement Considerations

Check for direct substitutes such as the FN2090-20-08 if terminal type variations are acceptable. Verify pinout compatibility and mounting dimensions before swapping. Consult official substitution guides for equivalent performance metrics.