YFF21AC1C474MT0Y0N

Overview

The YFF21AC1C474MT0Y0N is a three-terminal EMI feedthrough filter capacitor manufactured by TDK Corporation. It features a capacitance of 0.47 µF with a voltage rating of 16 V and a tolerance of 20%. The component utilizes X7S dielectric material and is housed in an 0805 (2012 Metric) surface-mount package measuring 2.0 mm in length, 1.25 mm in width, and 1.00 mm in height. It supports a maximum DC current of 1 A and offers insertion loss of 30 dB from 400 kHz to 3 GHz. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive applications.

Feature Summary

• Three-terminal architecture providing effective electromagnetic interference suppression through integrated grounding.
• AEC-Q200 qualified construction ensuring reliability and durability for demanding automotive electronic environments.
• High-current handling capability supporting up to 1 A continuous direct current operation.

Applications

• Automotive infotainment system power line filtering
• On-board charger input noise suppression
• Electronic control unit power distribution networks

Procurement Notes

Verify the specific suffix codes against official TDK documentation to confirm exact dielectric type and termination specifications. Ensure that the selected variant matches the required voltage derating and current carrying capacity for the target circuit design. Cross-reference the AEC-Q200 certification status if automotive compliance is mandatory for the final assembly.

Selection Notes

Select this component when high-frequency noise attenuation is required on low-voltage DC lines within compact spaces. The 0805 footprint allows for dense PCB layouts while maintaining robust current handling. Consider the X7S temperature stability characteristics for circuits operating across wide thermal ranges without significant capacitance drift.

Part Context

This part belongs to the YFF-AC series of three-terminal feedthrough capacitors designed specifically for automotive electronics. The series integrates a capacitor element with a ground terminal to minimize parasitic inductance. This configuration provides superior high-frequency performance compared to standard two-terminal capacitors in power supply filtering applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative three-terminal filters based on identical capacitance, voltage rating, and physical dimensions before substitution.