FN2090A-20-06

Overview

The Schaffner FN2090A-20-06 is a single-phase, two-stage EMI power line filter designed for chassis mounting. It supports a rated current of 20 A and operates at voltages up to 250 VAC or DC within a frequency range of DC to 400 Hz. The component utilizes faston terminals for connection and features a metal case to ensure optimal earth grounding and high-frequency performance. Key electrical parameters include an inductance of 2.7 mH and a leakage current of 930 µA. It functions reliably within an operating temperature range of -20°C to +100°C.

Feature Summary

• Two-stage attenuation architecture for effective noise suppression
• Metal housing ensures robust earth connection and thermal stability
• Faston terminal style enables rapid circuit integration

Applications

• Industrial machinery power conditioning
• Medical equipment electromagnetic compatibility
• Safety-critical electronic systems

Procurement Notes

Verify the specific suffix code against official datasheets to confirm terminal type and current rating. Confirm compliance requirements such as UL, CSA, or IEC/EN standards match the target application regulations. Check for RoHS3 status and REACH compliance documentation before finalizing procurement decisions.

Selection Notes

Select this model when high current capacity of 20 A is required alongside strict EMI reduction needs. The two-stage design offers superior attenuation compared to single-stage alternatives. Ensure chassis mounting space accommodates the physical dimensions and that faston connectors align with existing wiring harness specifications.

Part Context

This component belongs to the FN2090 series, which provides general-purpose EMI filtering solutions. The 'A' designation typically indicates specific internal configuration variations within the series. It serves as a critical interface between power sources and sensitive loads to maintain signal integrity.

Replacement Considerations

FN2090-20-06 shares similar electrical ratings but uses different terminal types. Verify mechanical fit and connection method compatibility before substitution.