KNH21C105DA3T

Overview

The KNH21C105DA3T is a three-terminal feed-through capacitor from the KYOCERA AVX KNH21 series, designed for surface mount applications. It features a capacitance of 1 uF with a tolerance range of -20% to +50%. The component has a DC voltage rating of 10 VDC and supports rated currents of up to 4.0A. Its physical dimensions are 2.0 mm in length, 1.25 mm in width, and 0.85 mm in height, corresponding to an 0805 package size. It operates within a temperature range of -40°C to +85°C.

Feature Summary

• Three-terminal architecture provides effective electromagnetic interference filtering through integrated ground connection.

Applications

• Power conversion systems
• Advanced Driver Assistance Systems (ADAS)
• Automotive lighting circuits

Procurement Notes

Verify current availability status as this specific part number may be subject to discontinuation or limited supply. Confirm exact tolerance requirements (-20% to +50%) against design specifications. Ensure compatibility with 10VDC operating conditions and 4.0A current ratings during procurement validation.

Selection Notes

Select this component when compact EMI filtering is required in space-constrained automotive or industrial designs. The three-terminal structure offers superior high-frequency noise attenuation compared to standard two-terminal capacitors. Verify that the 0805 footprint aligns with existing PCB layout constraints and thermal management requirements.

Part Context

This component belongs to the KNH21 series of EMI filters manufactured by KYOCERA AVX. These components are specifically engineered for high-reliability applications requiring robust noise suppression in small form factors. The series is widely utilized in automotive electronics where space efficiency and performance stability are critical.

Replacement Considerations

Check for direct substitutes within the KNH21 series with compatible voltage and capacitance values. Verify pinout compatibility and mechanical dimensions before substituting with other three-terminal filter capacitors from different manufacturers.