FN2211-250-99-C30-R55

Overview

The FN2211-250-99-C30-R55 is a compact high-current DC EMC/RFI filter from the Schaffner FN2211 series, designed for demanding power applications. It features a rated current of 250A and operates with a maximum voltage of 1000VDC. The unit incorporates common-mode (Cy) capacitors to enhance noise suppression capabilities in direct current circuits. With a power loss of 15W at rated load, it balances efficiency with effective electromagnetic interference mitigation. This chassis-mount component utilizes screw terminals for secure electrical connections, ensuring reliable performance in industrial environments requiring robust DC filtering solutions.

Feature Summary

• Compact design optimized for high-current DC applications
• Integrated common-mode capacitors for enhanced EMI suppression
• Robust construction suitable for chassis mounting

Applications

• Solar energy systems
• Industrial DC power supplies
• Electric vehicle charging infrastructure

Procurement Notes

Verify the specific suffix codes against the manufacturer's official datasheet to ensure exact configuration matching. Confirm that the 1000VDC rating aligns with your system's maximum operating voltage. Check for any required accessory kits for chassis installation. Ensure compliance with relevant safety standards for your target market before finalizing procurement orders.

Selection Notes

Select this model when high continuous current handling near 250A is required alongside strict DC noise reduction. Consider the physical dimensions and thermal management needs due to the 15W power dissipation. Evaluate if the integrated Cy capacitors meet your leakage current requirements. Compare against lower current variants if system loads are significantly smaller to optimize cost and space.

Part Context

This component belongs to the Schaffner FN2211 series, which specializes in compact power line filters for DC applications. The series is engineered to provide effective EMC/RFI filtering in space-constrained environments. These filters are widely recognized for their reliability in renewable energy and industrial automation sectors where stable DC power quality is critical.

Replacement Considerations

Consult the official Schaffner cross-reference guide for verified substitutes. Ensure any replacement maintains the 250A current rating and 1000VDC voltage tolerance. Verify mechanical compatibility including mounting hole patterns and terminal types. Confirm that alternative models offer equivalent or superior attenuation characteristics at your target frequencies.