FN2090B-4-06

Overview

The Schaffner FN2090B-4-06 is a single-phase, two-stage EMI/RFI power line filter designed for chassis mounting. It features a rated current of 4 A and operates at voltages up to 250 VAC. The component utilizes Faston terminals for connection and supports frequencies from DC to 400 Hz. Certified under UL, CSA, and EN standards, it provides surge protection and meets medical safety requirements.

Feature Summary

• Two-stage filtering architecture for enhanced attenuation performance
• Integrated surge protection capabilities
• Medical safety compliance certification

Applications

• Medical equipment power supplies
• Industrial control systems
• Electronic instrumentation

Procurement Notes

Verify the specific suffix 'BZ' or 'B' against official datasheets to confirm exact leakage current and certification status. Confirm terminal type compatibility with mating connectors. Ensure chassis mounting dimensions align with enclosure design specifications before procurement.

Selection Notes

Select this model for applications requiring certified medical safety and surge protection in a compact chassis-mount form factor. Evaluate thermal management requirements based on the 4 A continuous current rating. Compare leakage current specifications against sensitive patient-connected device limits if applicable.

Part Context

This component belongs to the Schaffner FN2090 series, which offers various current ratings and configuration options. The series is engineered for robust EMI suppression in demanding environments. The FN2090B-4-06 specifically addresses needs for moderate current handling with specialized safety certifications.

Replacement Considerations

Consult official substitution guides for equivalent models within the FN2090 series or alternative Schaffner lines. Verify that any substitute maintains identical mounting footprint, terminal style, and critical safety certifications.