YFF21AC1H470MT0Y0N

Overview

The YFF21AC1H470MT0Y0N is a three-terminal EMI feedthrough filter capacitor manufactured by TDK. It features a capacitance of 47 pF with a tolerance of ±20% and a voltage rating of 50 V DC. The component utilizes C0G dielectric material and meets AEC-Q200 automotive qualification standards. Physical dimensions are 2.0 mm in length, 1.25 mm in width, and 0.85 mm in height, corresponding to the 0805 (2012 Metric) package. It operates within a temperature range of -55°C to +125°C and has a maximum DC resistance of 300 mΩ.

Feature Summary

• Three-terminal feedthrough structure for effective electromagnetic interference suppression
• AEC-Q200 qualified for automotive reliability requirements
• C0G dielectric material ensuring stable performance across wide temperature ranges

Applications

• Automotive electronic circuit noise filtering
• High-frequency signal line protection
• Power supply input/output EMI suppression

Procurement Notes

Verify the complete part number including suffixes against official TDK documentation to ensure correct capacitance, tolerance, and termination specifications. Confirm that the required AEC-Q200 qualification status matches the specific application needs. Check datasheet revisions for any updates regarding mechanical dimensions or recommended soldering profiles before integration into production designs.

Selection Notes

Select this component when compact size and high-frequency noise attenuation are critical in automotive environments. The 47 pF value suits high-speed signal lines requiring minimal capacitance loading. Ensure the 50 V rating exceeds the maximum operating voltage with adequate margin. Consider the 0805 footprint constraints during PCB layout to maintain optimal grounding and signal integrity.

Part Context

This component belongs to the TDK YFF-AC series of feedthrough capacitors designed specifically for automotive applications. The series offers various capacitance values within a standardized 0805 package, allowing designers to choose appropriate filtering characteristics while maintaining consistent board space utilization and assembly processes across different vehicle subsystems.

Replacement Considerations

Consult official TDK substitution guides for compatible alternatives within the YFF series. Verify equivalent electrical parameters such as capacitance, voltage rating, and temperature stability before considering cross-brand replacements to ensure compliance with automotive safety and reliability standards.