ACML-0805-390-T

Overview

The Abracon ACML-0805-390-T is a surface-mount ferrite chip bead from the ACML series, designed for electromagnetic interference (EMI) suppression in high-frequency circuits. It features an 0805 package with dimensions of 2.0 mm length, 1.25 mm width, and 0.85 mm height. The component provides an impedance of 39 ohms at 100 MHz and supports a maximum DC current of 1000 mA. Its maximum DC resistance is specified at 40 milliohms. The device operates within a temperature range of -55°C to +125°C and complies with RoHS standards.

Feature Summary

• Provides effective attenuation of high-frequency noise signals through ferrite material properties
• Supports high current loads suitable for power line filtering applications
• Compact surface-mount footprint facilitates automated assembly and space-constrained designs

Applications

• Electromagnetic interference suppression in communication equipment
• Noise filtering in video and audio signal lines
• Power supply decoupling in office automation devices
• Signal integrity management in automotive electrical systems

Procurement Notes

Verify the specific impedance tolerance and DC resistance values against the official manufacturer datasheet prior to integration. Confirm that the component status aligns with project requirements, as availability may vary. Ensure that the operating temperature range meets the environmental specifications of the final application. Cross-reference the package dimensions with the PCB footprint library to guarantee mechanical compatibility during assembly.

Selection Notes

Select this component when a low-impedance path is required for DC while attenuating high-frequency noise. The 1000 mA rating makes it suitable for power rail filtering where minimal voltage drop is critical. Compare the 39 ohm impedance at 100 MHz against the target noise spectrum to ensure adequate attenuation. Consider the 0805 package size relative to available board space and thermal constraints compared to smaller or larger ferrite beads.

Part Context

This part belongs to the Abracon ACML series of ferrite chip beads, which are unshielded components designed for general-purpose EMI suppression. The series offers various impedance ratings and current capabilities across multiple package sizes, including 0402, 0603, and 0805. These components utilize ferrite materials to dissipate high-frequency energy as heat, providing a simple and cost-effective solution for noise reduction in electronic circuits.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative ferrite beads by matching impedance curves, current ratings, and physical dimensions.