YFF18AC1A105MT0Y0E

Overview

The YFF18AC1A105MT0Y0E is a feed-through capacitor from the TDK YFF-AC series, designed for surface mount installation. It features a capacitance of 1 µF with a ±20% tolerance and a rated voltage of 10V DC. The component supports a maximum DC current of 2 A and exhibits a maximum DC resistance of 20 mΩ. It operates within a temperature range of -55°C to 125°C and holds AEC-Q200 qualification. The package is a 0603 (1608 Metric) footprint with four PCB pads, measuring 1.60mm in length, 0.80mm in width, and a maximum height of 0.70mm.

Feature Summary

• Feed-through architecture providing integrated EMI filtering and power delivery in a single compact component.
• AEC-Q200 qualified for automotive reliability standards.
• Low impedance design with minimal DC resistance to support high current loads.

Applications

• Automotive electronic systems requiring EMI suppression and power conditioning.
• High-frequency noise filtering in compact mobile device circuits.
• Power distribution networks in space-constrained embedded applications.

Procurement Notes

Verify the specific suffix codes against official TDK documentation to confirm exact electrical tolerances and packaging configurations. Ensure that the selected variant matches the required voltage rating and current handling capabilities for the target circuit design. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before procurement.

Selection Notes

Select this component when a combined power supply decoupling and EMI filtering solution is required in a small form factor. The 0603 package size allows for dense PCB layouts. Consider the 2 A current rating and low DCR for efficient power transmission. Verify thermal performance within the specified operating temperature range during system integration.

Part Context

This component belongs to the TDK YFF-AC series of feed-through capacitors. These devices are engineered to replace traditional discrete filter components by integrating capacitance and shielding into a single surface-mount package. The series is widely used in applications demanding high reliability and significant noise reduction in limited board space.

Replacement Considerations

Consult official TDK substitution guides for verified equivalents. Generic cross-references may not match the specific feed-through construction or AEC-Q200 qualification status.

FAQ

What is the primary function of the feed-through structure in this capacitor?

The feed-through structure provides inherent shielding between input and output, effectively suppressing electromagnetic interference while allowing direct current passage through the center conductor.

Is this component suitable for automotive applications?

Yes, the YFF-AC series is qualified to the AEC-Q200 standard, making it suitable for automotive electronic environments.