FN406B-0.5-02

Overview

The Schaffner FN406B-0.5-02 is a single-phase EMC/EMI power line filter designed for PCB mounting. It operates at a rated voltage of 250 VAC and supports a current rating of 500 mA. The component functions within a frequency range of 0 Hz to 400 Hz. Key electrical specifications include a leakage current of 2 µA. It utilizes through-hole solder pin termination for secure board integration.

Feature Summary

• Provides electromagnetic interference suppression for AC power lines
• Designed for direct printed circuit board mounting via solder pins
• Supports operation across standard and aviation frequencies up to 400 Hz

Applications

• Single-phase AC power input filtering
• Aviation electronic equipment noise reduction
• Medical device power supply protection

Procurement Notes

Verify the specific part number suffix against official TE Connectivity / Schaffner documentation to ensure correct configuration. Confirm that the required current rating of 500 mA and voltage rating of 250 VAC align with your system design constraints before procurement.

Selection Notes

Select this component when a compact, single-stage EMI filter is required for low-current applications. Ensure the PCB layout accommodates through-hole solder pin termination. Verify compliance requirements such as UL, CSA, or IEC/EN standards match your target market regulations.

Part Context

This component belongs to the FN406 series of ultra-compact EMC filters manufactured by Schaffner EMC Inc., now part of TE Connectivity. The series is characterized by small form factors suitable for space-constrained PCB designs in various industrial and commercial electronics.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Cross-referencing with other FN406 variants requires careful evaluation of current ratings and physical dimensions to ensure compatibility.