WLBD1005K2U300TP

Overview

The WLBD1005K2U300TP 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 mm length, 0.5 mm width, and 0.5 mm height. The component provides an impedance of 30 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 300 mA and has a maximum DC resistance of 250 mOhms. The device operates within a temperature range of -55°C to +125°C and utilizes flexible soft terminals for SMD/SMT mounting.

Feature Summary

• Provides electromagnetic interference suppression through high-impedance characteristics at specific frequencies
• Utilizes shielded construction to contain magnetic fields and reduce external noise coupling
• Features flexible soft terminals designed to withstand mechanical stress during surface-mount assembly processes

Applications

• High-speed data line filtering in portable electronic devices
• Power supply noise suppression on integrated circuit input pins
• Clock signal conditioning in digital communication interfaces

Procurement Notes

Verify the exact part number WLBD1005K2U300TP against manufacturer datasheets to confirm impedance and current ratings. Ensure compatibility with surface-mount assembly equipment regarding the 0402 package size. Confirm RoHS compliance status if required by specific regulatory standards. Check terminal type specifications to ensure proper soldering profile alignment.

Selection Notes

Select this component when a low-profile 0402 footprint is required for space-constrained designs. Choose based on the 30 Ohm impedance requirement at 100 MHz for targeted noise frequencies. Consider the 300 mA current rating to ensure adequate headroom for the application's DC load. Evaluate the 250 mOhms DC resistance to minimize voltage drop in power distribution paths.

Part Context

This ferrite bead belongs to Walsin's WLBD series of chip beads, which are engineered for compact electronics. The 0402 form factor allows for high-density PCB layouts common in modern consumer electronics. The product line emphasizes reliable EMI performance in small packages suitable for automated manufacturing environments.

FAQ

What is the test frequency for the specified impedance?

The impedance of 30 Ohms is measured at a test frequency of 100 MHz.

Does the component support surface-mount technology?

Yes, the WLBD1005K2U300TP is designed for SMD/SMT mounting using flexible soft terminals.