YFF21SC1E473MT000N

Overview

The TDK YFF21SC1E473MT000N is a surface-mount EMI feedthrough filter capacitor from the YFF-SC series. It features a capacitance of 0.047 µF (47 nF) with a ±20% tolerance and a voltage rating of 25 V DC. The component utilizes X7S dielectric material, ensuring stable performance across an operating temperature range of -55°C to +125°C. Designed for signal line filtering, it supports a maximum DC current of 2 A with a maximum DC resistance of 80 mΩ. The device is housed in a compact 0805 (2012 Metric) package, measuring 2.0 mm x 1.25 mm x 1.0 mm, and is suitable for reflow soldering processes.

Feature Summary

• Three-terminal feedthrough architecture provides effective high-frequency noise suppression for signal lines.
• X7S ceramic dielectric ensures reliable capacitance stability over a wide industrial temperature range.
• Compact 0805 footprint enables dense PCB layout integration while maintaining low parasitic inductance.

Applications

• High-speed digital signal line filtering in consumer electronics
• EMI suppression in USB and data interface circuits
• Noise reduction in mobile communication devices

Procurement Notes

Verify the specific suffix MT000N against official TDK documentation to confirm packaging format and tape-and-reel specifications. Ensure compatibility with standard reflow soldering profiles. Confirm RoHS compliance status through the manufacturer's latest environmental declaration. Cross-reference the full part number with authorized distributors to avoid counterfeit components. Validate that the 25V rating meets the circuit's peak voltage requirements under all operating conditions.

Selection Notes

Select this component when low parasitic inductance is critical for high-frequency EMI attenuation on signal lines. The 0805 size offers a balance between thermal performance and board space efficiency. Consider the 2A current rating for power handling capabilities in active signal paths. The X7S dielectric is appropriate for applications requiring moderate temperature stability without the cost of higher-grade materials. Evaluate the 80mΩ DCR impact on signal integrity for low-voltage logic levels.

Part Context

This component belongs to TDK's YFF-SC series of three-terminal feedthrough capacitors, designed specifically for suppressing electromagnetic interference in high-speed digital circuits. Unlike standard two-terminal capacitors, the three-terminal design minimizes lead inductance, enhancing high-frequency performance. The series is widely used in portable devices and automotive electronics where space constraints and noise immunity are paramount.

Replacement Considerations

Publicly confirmed substitute part numbers for YFF21SC1E473MT000N were not found in the provided source material. Verify electrical equivalence with other YFF-SC series variants or competitor three-terminal filters if direct substitution is required.

FAQ

What is the maximum DC current rating for the YFF21SC1E473MT000N?

The maximum DC current rating is 2 A.

Is the YFF21SC1E473MT000N suitable for automotive applications?

The provided source material does not specify AEC-Q200 qualification for this specific part number. Check the official datasheet for automotive certification details.