WLBD1005K2U301TP

Overview

The WLBD1005K2U301TP is a single-channel ferrite chip bead manufactured by Walsin Technology Corporation. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.0 mm length, 0.5 mm width, and 0.5 mm height. The component provides an impedance of 300 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 200 mA and has a maximum DC resistance of 800 mOhms. The device operates within a temperature range of -55°C to +125°C.

Feature Summary

• Provides high-frequency noise suppression through significant impedance characteristics at 100 MHz.
• Utilizes a compact 0402 surface-mount footprint for dense circuit board layouts.
• Features flexible soft terminals designed to withstand mechanical stress during soldering.

Applications

• High-speed data line filtering in portable electronic devices
• Power supply noise attenuation in compact consumer electronics
• Signal integrity management in mobile communication modules

Procurement Notes

Verify the specific suffix K2U against the manufacturer's latest datasheet to confirm impedance tolerance and material composition. Ensure the ordering quantity aligns with standard reel or cut-tape packaging requirements. Confirm RoHS compliance status directly with the supplier documentation prior to final procurement decisions.

Selection Notes

Select this component when a 300 Ohm impedance at 100 MHz is required within a 0402 envelope. Evaluate the 200 mA current rating against the circuit's operational load to prevent saturation. Consider the 800 mOhms DC resistance impact on voltage drop. Compare thermal performance limits against the intended operating environment constraints.

Part Context

This ferrite bead belongs to Walsin's general-purpose chip bead series designed for EMI suppression. It serves as a passive component to attenuate unwanted high-frequency signals while maintaining signal integrity for desired frequencies. The part is distinct from higher-current variants like the HCU series or automotive-grade AEC-Q200 certified options.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative manufacturers based on identical impedance curves, current ratings, and physical dimensions before substitution.