WLBD2012HCU331TH

Overview

The WLBD2012HCU331TH is a ferrite chip bead manufactured by Walsin Technology Corporation. It features a surface-mount package in the 0805 (2012 metric) dimension, measuring 2.00 mm in length and 1.25 mm in width with a maximum height of 1.10 mm. The component provides an impedance of 330 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 2 A and has a maximum DC resistance of 90 mOhms. The device operates within a temperature range of -55 °C to +125 °C.

Feature Summary

• Provides electromagnetic interference suppression through high impedance characteristics at specific frequencies.
• Designed for surface-mount assembly using standard SMD/SMT termination styles.
• Capable of handling significant direct current loads without saturation.

Applications

• Power line filtering in electronic circuits
• Signal integrity management on data lines
• Electromagnetic interference suppression in compact devices

Procurement Notes

Verify the exact package dimensions and electrical parameters against the official Walsin datasheet before integration. Confirm that the 0805 footprint matches the target PCB layout. Ensure the operating temperature range meets the environmental requirements of the final application. Check for RoHS compliance status if required by regulatory standards.

Selection Notes

Select this component when a 330 Ohm impedance at 100 MHz is required for noise suppression in space-constrained designs. The 2 A current rating makes it suitable for power rails where higher current handling is necessary compared to smaller packages. Consider the 0805 size as a balance between performance and board area efficiency.

Part Context

This ferrite bead belongs to the WLBD series from Walsin Technology Corporation, which offers various impedance values and package sizes. The HCU suffix typically denotes specific material properties optimized for high-frequency attenuation. This series is part of Walsin's broader portfolio of passive components designed for consumer electronics and industrial applications.

Replacement Considerations

Compatible substitutes include other 0805 ferrite beads with similar 330 Ohm impedance and 2 A current ratings. Verify that alternative parts match the physical footprint and terminal configuration to ensure mechanical compatibility during reflow soldering processes.