WLBD1608K2U301TP

Overview

The WLBD1608K2U301TP is a single-element ferrite chip bead manufactured by Walsin Technology Corporation, designed for electromagnetic interference suppression in surface-mount applications. It features a 0603 (1608 metric) package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 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 500 mA and has a maximum DC resistance of 350 mOhms. The device operates within a temperature range of -55°C to +125°C and utilizes flexible SMD/SMT terminations.

Feature Summary

• Provides effective high-frequency noise attenuation for signal integrity management
• Features shielded construction to minimize external magnetic field interference
• Utilizes flexible soft terminations to enhance solder joint reliability during thermal cycling

Applications

• Electromagnetic interference suppression in portable electronic devices
• Noise filtering on power supply lines for integrated circuits
• Signal line protection in high-speed data handling systems

Procurement Notes

Verify the specific impedance value against design requirements, as datasheet listings may vary between 30 Ohms and 300 Ohms for this part number series. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected packaging format matches automated assembly capabilities. Cross-reference terminal flexibility specifications to guarantee compatibility with reflow soldering profiles.

Selection Notes

Select this component when a 0603 footprint is required for EMI filtering with moderate current handling capabilities. The 300 Ohm impedance at 100 MHz targets specific high-frequency noise spectra. Consider the 500 mA current rating to prevent saturation effects in the target circuit. Evaluate the low DC resistance to minimize insertion loss in power distribution paths while maintaining effective noise suppression characteristics.

Part Context

This ferrite bead belongs to Walsin's WLBD series of passive components, specifically engineered for compact surface-mount implementations. The 1608 metric size balances physical space constraints with adequate thermal dissipation properties. It serves as a critical element in modern electronics where miniaturization and reliable noise control are simultaneous design priorities.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify electrical equivalence including impedance curves and current ratings before considering alternative manufacturers.