AFBC-SF0402-251T

Overview

The AFBC-SF0402-251T is a surface-mount ferrite bead from the Abracon AFBC-SF0402 series, housed in a 0402 (1005 metric) package. It provides an impedance of 250 ohms at 900 MHz with a tolerance of 25%. The component supports a maximum DC current of 1.2 A and exhibits a maximum DC resistance of 150 milliohms. It operates within a temperature range of -40°C to +85°C.

Feature Summary

• Provides high-frequency noise suppression for signal lines
• Compact surface-mount design suitable for space-constrained PCBs
• Capable of handling significant DC bias currents

Applications

• Power supply filtering
• Battery charger circuits
• Portable electronic devices
• Energy-efficient systems

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when ordering. Confirm that the 250 ohm impedance rating corresponds to the 900 MHz test frequency specified in official documentation. Ensure the selected variant meets the required thermal and current specifications for the target application environment.

Selection Notes

Select this component based on its 0402 footprint availability and 1.2 A current carrying capacity. Evaluate the 250 ohm impedance at 900 MHz against the specific noise frequencies present in the circuit. Consider the low DC resistance to minimize voltage drop and power loss in the signal path during normal operation.

Part Context

This ferrite bead belongs to the AFBC-SF0402 series, designed for EMI suppression in compact electronics. It serves as a passive filter element to attenuate high-frequency interference. The series is utilized across telecommunications, automotive, industrial, and IoT sectors for reliable noise control.

Replacement Considerations

Cross-reference with other 0402 ferrite beads offering 250 ohms at 900 MHz and similar current ratings. Verify physical dimensions and terminal compatibility before substitution.