YFF21SC1H472MT000N

Overview

The TDK YFF21SC1H472MT000N is a surface-mount EMI feedthrough filter capacitor from the YFF-SC series. It features a capacitance of 4700 pF with a ±20% tolerance and a voltage rating of 50 V. The component has a maximum DC resistance of 500 mOhms and supports a maximum DC current of 400 mA. It operates within a temperature range of -55°C to +125°C. The physical package is 0805 (2012 Metric) with four pads, measuring 2.00 mm in length, 1.25 mm in width, and 1.00 mm in height.

Feature Summary

• Three-terminal design for signal line filtering
• Low impedance path for high-frequency noise suppression
• Compact surface-mount construction

Applications

• Signal line EMI suppression
• High-speed data interface protection
• General electronic circuit noise filtering

Procurement Notes

Verify component status as obsolete before procurement planning. Confirm availability through authorized distributors or alternative sources. Ensure compatibility with existing PCB footprints and soldering profiles. Check for valid substitutes if original supply is unavailable. Validate RoHS compliance requirements for the specific application environment.

Selection Notes

Select this component for applications requiring compact EMI filtering on signal lines. Consider the 400 mA current limit and 50 V rating against circuit parameters. Evaluate insertion loss characteristics at target frequencies. Ensure the 0805 footprint fits the board layout constraints. Verify thermal performance within the specified operating temperature range.

Part Context

This part belongs to the TDK YFF-SC series of three-terminal feedthrough capacitors. These components are designed for effective electromagnetic interference suppression in space-constrained environments. The series offers various capacitance values and voltage ratings to suit different filtering needs while maintaining a small form factor suitable for modern surface-mount assembly processes.

Replacement Considerations

KYOCERA AVX parts are listed as available alternatives.