YFF21AC1H221MT0Y0N

Overview

The YFF21AC1H221MT0Y0N is a surface-mount feed-through capacitor from the TDK YFF-AC series, designed for electromagnetic interference (EMI) suppression. It features a capacitance of 220 pF with a tolerance of ±20% and a voltage rating of 50 V DC. The component operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards. Housed in an 0805 (2012 Metric) package with dimensions of 2.0 mm length, 1.25 mm width, and 0.85 mm height, it offers low impedance filtering for high-frequency noise.

Feature Summary

• Provides effective electromagnetic interference suppression through feed-through capacitor architecture
• Automotive-grade reliability certified under AEC-Q200 standards
• Supports wide operating temperature range suitable for harsh environments

Applications

• Automotive electronic systems requiring EMI filtering
• High-frequency signal line noise suppression
• Power supply input/output filtering in compact modules

Procurement Notes

Verify the complete part number including suffixes against official TDK documentation to ensure correct capacitance and tolerance specifications. Confirm package dimensions and terminal configuration match design requirements. Check for RoHS compliance status if required by project regulations. Ensure storage conditions adhere to manufacturer guidelines to maintain component integrity prior to assembly.

Selection Notes

Select this component when space-constrained designs require high-performance EMI filtering in an 0805 footprint. Consider its 50V rating and 220pF capacitance for specific frequency attenuation needs. Evaluate thermal stability requirements against the -55°C to +125°C operational range. Verify compatibility with automated pick-and-place processes due to surface-mount packaging.

Part Context

This component belongs to the TDK YFF-AC series of feed-through capacitors, specifically engineered for automotive and industrial applications. The series combines small form factors with robust filtering capabilities, addressing the increasing demand for compact EMI solutions in modern electronics. The YFF-AC line emphasizes reliability and performance in noisy electrical environments.

Replacement Considerations

Consult official TDK substitution guides for verified alternatives. Cross-reference key parameters such as capacitance, voltage rating, package size, and AEC-Q200 certification before considering any substitute components to ensure functional equivalence.