4401-010

Overview

The Tusonix 4401-010 is an active EMI feedthrough capacitor with a capacitance of 0.027 µF and a rated voltage of 50V. It supports a maximum current of 10 A and operates within a temperature range of -55°C to +125°C. The component features an axial bushing package with dimensions of 0.187 inches in diameter and 0.389 inches in height. It provides an insertion loss of 42 dB at 100 MHz.

Feature Summary

• Provides high attenuation for electromagnetic interference signals through capacitive coupling.
• Designed for direct panel mounting using threaded bushing connections.
• Capable of handling continuous DC currents up to 10 Amperes.

Applications

• Power supply input filtering for electronic equipment
• EMI suppression in industrial control systems
• Signal conditioning for sensitive measurement instruments

Procurement Notes

Verify the specific suffix requirements, as the base part number may have variations such as LF for lead-free compliance. Confirm that the 50V rating and 10A current capacity align with the system's electrical stress limits. Ensure the axial bushing thread size matches the chassis mounting hole specifications before ordering.

Selection Notes

Select this component when a compact axial feedthrough solution is required for low-voltage applications. The 0.027 µF value offers a balance between noise filtering and DC blocking characteristics. Consider the physical dimensions and thermal operating range to ensure compatibility with the enclosure design and environmental conditions.

Part Context

This component belongs to the Tusonix 4401 series of EMI feedthrough filters. These devices are engineered for robust performance in harsh environments, utilizing ceramic dielectric materials for stability. The series is widely used in aerospace, military, and industrial sectors where reliable noise suppression is critical.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative feedthrough capacitors by matching capacitance, voltage rating, current handling, and mechanical mounting dimensions.