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The Bourns MH1005-221Y is a surface-mount ferrite bead in a 0402 (1005 metric) package with dimensions of 1.0 mm x 0.5 mm x 0.5 mm. It provides an impedance of 220 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.5 A and has a maximum DC resistance of 95 mOhms. It operates within a temperature range of -55°C to +125°C.
Verify the specific suffix 'Y' against the manufacturer's latest datasheet to confirm packaging details, as suffixes may indicate reel or cut tape options. Ensure the ordered part matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement.
Select this component when space constraints require a 0402 package but higher current capacity than standard beads offers. The 220 Ohm impedance is suitable for mid-frequency noise attenuation. Verify that the 1.5 A rated current exceeds the peak operating current of the protected line to prevent saturation.
This part belongs to the Bourns MH1005 series of high-current ferrite beads. The series is designed for applications requiring significant current handling in minimal board space. It complements other components in power management and signal integrity circuits where size and performance are critical.
Check for direct substitutes from the same series with different impedance values if filtering requirements change. Cross-reference with other manufacturers offering 0402 ferrite beads with similar 220 Ohm impedance and 1.5 A current ratings, ensuring pin compatibility and thermal characteristics match.
The maximum DC current rating is 1.5 A.
The impedance is specified at a test frequency of 100 MHz.