YFF21AC1E104MT0Y0N

Overview

The TDK YFF21AC1E104MT0Y0N is a surface-mount feedthrough capacitor designed for electromagnetic interference suppression. It features a capacitance of 0.1 µF with a tolerance of ±20% and a rated voltage of 25 V DC. The component operates within a temperature range of -55°C to +125°C and carries AEC-Q200 qualification. It utilizes a 0805 (2012 Metric) package with four printed circuit board pads, measuring 2.00 mm in length and 1.25 mm in width.

Feature Summary

• Provides effective electromagnetic interference filtering through feedthrough capacitor architecture
• Qualified for automotive applications under the AEC-Q200 standard
• Supports high-temperature operation up to 125°C for robust environmental performance

Applications

• Automotive electronic systems requiring EMI suppression
• Power line filtering in compact electronic assemblies
• General-purpose electromagnetic interference mitigation circuits

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct capacitance and voltage ratings. Confirm that the required AEC-Q200 automotive qualification aligns with specific project standards. Check datasheet specifications for maximum DC current handling and impedance characteristics relevant to the target circuit design.

Selection Notes

Select this component when a 0.1 µF feedthrough capacitor is required in an 0805 footprint for space-constrained designs. Ensure the operating voltage does not exceed 25 V DC and that the application demands AEC-Q200 compliance. Consider the four-pad mounting configuration during PCB layout planning to ensure proper thermal and electrical connectivity.

Part Context

This component belongs to the TDK YFF series of feedthrough capacitors, which are engineered for high-performance noise suppression. The YFF-AC variant specifically targets automotive electronics, offering reliability under stringent environmental conditions. These components integrate ceramic dielectric technology within a compact surface-mount package to minimize parasitic inductance.

Replacement Considerations

Consult official TDK substitution guides or distributor cross-reference tools for verified equivalent parts. Ensure any replacement maintains identical capacitance, voltage rating, package dimensions, and AEC-Q200 certification to guarantee functional compatibility.