BLF03VK221SNGD

Chip Ferrite Bead Overview

The BLF03VK221SNGD is a single-channel ferrite bead from the Murata BLF series, designed for surface-mount technology in the 0201 (0603 metric) package. It provides an impedance of 220 Ohms with a tolerance of 40% and a maximum DC resistance of 155 mOhms. The component supports a maximum DC current of 800 mA and operates within a temperature range of -55°C to +125°C. Physical dimensions are 0.6 mm in length, 0.3 mm in width, and 0.3 mm in height.

Chip Ferrite Bead Feature Summary

• Compact 0201 surface-mount footprint for high-density circuit board layouts
• High current handling capability suitable for power line noise suppression
• Wide operating temperature range ensuring stability in harsh environments

Chip Ferrite Bead Applications

• Noise filtering on power supply lines in portable electronic devices
• Electromagnetic interference suppression in compact consumer electronics
• Signal integrity management in mobile communication hardware

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes to ensure correct impedance and tolerance specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Check for recent Product Change Notifications to identify any material or manufacturing process updates that may affect performance or availability.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0201 package size while maintaining significant current carrying capacity. Ensure the required impedance value aligns with the target noise frequency spectrum. Validate that the maximum DC current rating exceeds the peak operational current of the protected circuit to prevent saturation or excessive heating.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLF series of ferrite beads, which are engineered for effective electromagnetic interference suppression in small form factors. The BLF series utilizes specialized ferrite materials optimized for broadband noise absorption, making it suitable for modern miniaturized electronics requiring reliable signal integrity.

Chip Ferrite Bead Replacement Considerations

Cross-reference with other BLF series variants sharing the 0201 package if impedance values differ. Verify physical dimension compatibility before substituting with components from other manufacturers to ensure proper soldering and mechanical fit.