YFF18AC0J105MT0Y0E

Overview

The YFF18AC0J105MT0Y0E is a compact feed-through capacitor manufactured by TDK Corporation, designed for high-performance electromagnetic interference suppression in automotive applications. This component features a capacitance of 1 µF with a tolerance of ±20%, rated for a maximum voltage of 6.3V. It supports a continuous DC current of 2 A and exhibits a low maximum DC resistance of 20 mΩ. The device operates within a temperature range of -55°C to 125°C and holds AEC-Q200 qualification. Housed in a 0603 (1608 metric) surface-mount package measuring 1.60mm x 0.80mm x 0.70mm, it utilizes an X7S dielectric material.

Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Low equivalent series inductance design for effective high-frequency noise attenuation
• Compact 0603 surface-mount footprint suitable for space-constrained PCB layouts

Applications

• EMI suppression in vehicle electronic systems
• Power line filtering in automotive control units
• Noise reduction in onboard communication interfaces

Procurement Notes

Verify the specific ordering suffix against the official TDK datasheet to ensure correct packaging and terminal configuration. Confirm that the selected variant meets the required AEC-Q200 automotive grade specifications for your application environment. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when low ESL and high attenuation are critical for EMI mitigation in tight spaces. Ensure the 6.3V rating and 2A current capacity align with the target circuit's electrical requirements. Consider the -55°C to 125°C operating range for harsh automotive environments. Verify compatibility with standard SMT assembly processes given the 0603 package dimensions.

Part Context

This component belongs to the YFF-AC series of feed-through capacitors from TDK Corporation. These devices integrate MLCC technology with a specialized internal structure to minimize parasitic inductance. The series is engineered specifically for automotive electronics, offering robust performance against electromagnetic interference while maintaining a small physical profile suitable for modern miniaturized circuit boards.

Replacement Considerations

Consult the official TDK replacement guide for direct equivalents. Verify that any substitute maintains identical AEC-Q200 qualification, 0603 package dimensions, and comparable electrical parameters including capacitance, voltage rating, and DCR values.