BK1005HW241-T

Overview

The Taiyo Yuden BK1005HW241-T is a multilayer chip ferrite bead inductor designed for high-current applications. It features a 0402 (1005 metric) surface-mount package with an impedance of 240 Ohms at 100 MHz and a tolerance of ±25%. The component has a maximum DC resistance of 310 milliohms and a rated current of 400 mA across an operating temperature range of -55°C to +125°C.

Feature Summary

• Incorporates an internal silver shielding layer to minimize heat generation and magnetic leakage flux.
• Designed for high-current power line filtering without requiring external grounding connections.
• Utilizes specialized materials and manufacturing methods to enhance circuit design flexibility.

Applications

• Power line noise suppression in compact electronic devices
• EMI filtering for high-current signal paths
• Electromagnetic compatibility enhancement in mobile hardware

Procurement Notes

Verify the specific lifecycle status, as some sources indicate this part may be obsolete or discontinued. Confirm RoHS compliance details and packaging quantities directly with authorized distributors or the manufacturer before ordering, as availability varies by region and date.

Selection Notes

Select this component when space-constrained designs require effective EMI suppression on high-current lines. The low DC resistance supports efficient power delivery, while the integrated shielding reduces the need for additional grounding structures, simplifying layout constraints.

Part Context

This component belongs to the BK series of multilayer chip bead inductors from Taiyo Yuden. These parts are engineered for power line applications, offering a balance of high current handling and noise attenuation in small form factors suitable for modern portable electronics.

Replacement Considerations

Publicly confirmed substitute part numbers include BMC1EY0240AN and MMZ1005S241CT000. Verify electrical equivalence and physical dimensions before substitution.

FAQ

Does the BK1005HW241-T require a ground connection?

No, the internal shielding design allows it to function effectively without requiring a ground connection, providing greater circuit design freedom.

What is the maximum rated current for this ferrite bead?

The maximum rated current is 400 mA within the operating temperature range of -55°C to +125°C.