WLBD3216HCU800PH

Overview

The WLBD3216HCU800PH is a single-channel ferrite chip bead manufactured by Walsin Technology Corporation. It utilizes a 1206 (3216 metric) surface-mount package with dimensions of 3.2 mm length, 1.6 mm width, and 1.1 mm height. The component provides an impedance of 80 Ohms at a test frequency of 100 MHz with a tolerance of +/-25%. It supports a maximum DC current rating of 4A and features a maximum DC resistance of 30 mOhms. The device operates within a temperature range of -55°C to +125°C.

Feature Summary

• Provides electromagnetic interference suppression through high-impedance characteristics in the RF spectrum.
• Designed for surface-mount assembly using standard SMD/SMT termination methods.
• Capable of handling high direct current loads without saturation.

Applications

• Power line filtering in electronic circuits
• Signal integrity management in high-speed data lines
• Noise suppression in mobile communication devices

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct impedance and tolerance specifications. Confirm that the required packaging format matches available supply options. Check RoHS compliance status if restricted substances are mandated for the target application environment.

Selection Notes

Select this component when an 80 Ohm impedance at 100 MHz is required for noise attenuation. Ensure the circuit design accommodates the 4A current rating and 30 mOhm DC resistance to prevent excessive voltage drop or thermal issues. Verify that the 1206 footprint aligns with the PCB layout constraints.

Part Context

This part belongs to the WLBD series of ferrite beads from Walsin Technology Corporation. The series offers various impedance values and current ratings within standardized metric packages. These components are commonly used in passive component portfolios for consumer electronics and industrial applications requiring EMI control.

Replacement Considerations

Consult official substitution lists for equivalent ferrite beads with matching 80 Ohm impedance and 1206 footprint. Verify current handling capabilities and DC resistance parameters before swapping manufacturers to maintain circuit performance integrity.

FAQ

What is the test frequency for the specified impedance?

The impedance of 80 Ohms is measured at a test frequency of 100 MHz.

What is the maximum operating temperature?

The component is rated for operation up to +125°C.