KNH21C221DA3TS

Overview

The KNH21C221DA3TS is a three-terminal feed-through capacitor from the KYOCERA AVX KNH21 series, designed as an EMI filter. It features a capacitance of 220 pF with a tolerance of -20% to +50%. The component has a DC voltage rating of 6.3 VDC and a current rating of 1 A. It utilizes SMD/SMT termination and operates within a temperature range of -40°C to +85°C. The physical dimensions are 2.0 mm in length, 1.25 mm in width, and 0.85 mm in height.

Feature Summary

• Three-terminal feed-through architecture for effective electromagnetic interference filtering
• Low-pass channel C configuration with specified capacitance value
• Surface-mount design compatible with automated assembly processes

Applications

• Electromagnetic interference suppression in electronic circuits
• Signal line filtering in communication devices
• Power supply noise reduction in compact electronics

Procurement Notes

Verify availability status carefully as this specific part number may be subject to discontinuation or limited stock. Confirm exact electrical parameters against the official datasheet before integration. Ensure compatibility with existing PCB footprint requirements. Check for alternative components if supply chain stability is a concern. Validate RoHS compliance documentation for regulatory adherence.

Selection Notes

Select this component when a low-profile, three-terminal EMI filter is required for high-frequency noise suppression. Consider the 6.3 VDC rating and 1 A current handling capability for circuit constraints. The small 0805 equivalent footprint suits space-constrained designs. Evaluate the specific capacitance tolerance requirements against application needs.

Part Context

This component belongs to the KNH21 series of three-terminal filter capacitors manufactured by KYOCERA AVX. These parts are engineered for compact EMI/RFI filtering applications. The series offers various capacitance values within a standardized surface-mount package. They are commonly used in consumer electronics and industrial equipment requiring reliable noise attenuation.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult manufacturer documentation for potential cross-references or updated product lines.