FN2090B-4-07

Overview

The Schaffner FN2090B-4-07 is a single-phase, two-stage EMI power line filter designed for chassis mounting. It features fast-on terminals and supports a rated current of 4A at 250V AC/DC. The component operates within a frequency range of 0Hz to 400Hz. Key electrical parameters include a capacitance value of 330nF and an inductance of 14mH. The unit exhibits a leakage current of 0.002mA and includes a 470kΩ resistor. Physical dimensions are 85mm in length, 54mm in width, and 30.3mm in height. It functions reliably between -25°C and +100°C.

Feature Summary

• Two-stage filtering architecture for enhanced noise suppression
• Chassis mount design with fast-on terminal connections
• Low leakage current characteristics for safety compliance

Applications

• Power supplies
• Battery chargers
• Portable devices
• Energy-efficient systems

Procurement Notes

Verify the specific suffix code against official datasheets to confirm terminal type and certification status. Ensure the ordering part number matches the required current rating and voltage specifications. Confirm that the chassis mounting style and physical dimensions fit the target enclosure constraints before finalizing procurement.

Selection Notes

Select this model for applications requiring single-phase EMI suppression with low leakage current. The two-stage design offers superior attenuation compared to single-stage alternatives. Verify compatibility with the system's operating temperature range and ensure the fast-on terminals match the wiring harness configuration.

Part Context

This component belongs to the FN2090 series of power line filters manufactured by Schaffner EMC Inc. The series is engineered for general-purpose EMI suppression in electronic equipment. The FN2090B variant specifically denotes chassis mounting configurations with defined terminal styles.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.