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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0402 1LN
- Series：MFBW1V1005
- Mfr：Eaton - Electronics Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：450mA
- DC Resistance (DCR) (Max)：250mOhm
- Ratings：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：0402 (1005 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.026" (0.65mm)
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Features：-
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Overview
The Eaton MFBW1V1005-121-R is a multilayer chip ferrite bead in a 0402 (1005 metric) surface-mount package. It provides an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 450 mA and has a maximum DC resistance of 250 mOhms. It operates within a temperature range of -40°C to +85°C.
Feature Summary
- Multilayer construction for high-frequency noise suppression
- Shielded design to minimize electromagnetic interference
- Compact 0402 footprint for space-constrained applications
Applications
- High-frequency noise suppression in compact electronic circuits
- Power line filtering for portable devices
- Signal integrity protection in mobile communication modules
Procurement Notes
Verify the specific suffix and manufacturer part number against official Eaton documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status and moisture sensitivity level requirements prior to ordering. Check for authorized distributor channels to guarantee authenticity and traceability of the components.
Selection Notes
Select this component when a 0402 footprint is required for noise filtering. Ensure the circuit's operating current does not exceed the 450 mA rating to prevent saturation. Verify that the 120 Ohm impedance at 100 MHz aligns with the target noise spectrum. Consider thermal management within the specified -40°C to +85°C operational range.
Part Context
This part belongs to the Eaton MFBW1V series of multilayer chip beads. The series offers various impedance values and current ratings in standard metric packages. The MFBW1V1005 variant specifically targets applications requiring small form factors with moderate current handling capabilities for EMI suppression.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Cross-referencing requires matching impedance, current rating, and package dimensions through official manufacturer substitution guides.
