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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0402 1LN
- Series：ACML
- Mfr：Abracon LLC
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：150mA
- DC Resistance (DCR) (Max)：400mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°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 ACML-0402-121-T is a multilayer ferrite chip bead manufactured by Abracon LLC, designed for surface-mount applications. It features a 0402 (1005 metric) package with dimensions of 1 mm length and 0.5 mm width. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 150 mA and exhibits a maximum DC resistance of 400 mOhms. The device operates within a temperature range of -55°C to +125°C and has a tolerance of 25%.
Feature Summary
- Multilayer construction for compact surface-mount integration
- High impedance performance at 100 MHz for noise suppression
- Robust thermal stability across extended industrial temperature ranges
Applications
- High-speed data line filtering in portable electronics
- Power supply noise attenuation in embedded systems
- EMI suppression in RF signal paths
Procurement Notes
Verify the specific maximum DC current rating against official Abracon documentation, as sources indicate variations between 150 mA and 500 mA for similar series parts. Confirm the package dimensions and termination style match the design requirements. Ensure the impedance value at 100 MHz aligns with the target noise spectrum. Check for RoHS compliance status in the latest datasheet before finalizing procurement specifications.
Selection Notes
Select this component when space constraints require a 0402 footprint for EMI filtering. Consider the 120 Ohm impedance profile for frequencies around 100 MHz. Evaluate the 150 mA current limit against the circuit's operational load to prevent saturation. Compare the 400 mOhm DC resistance impact on power efficiency relative to alternative ferrite beads in the same package size.
Part Context
This part belongs to the ACML series of multilayer ferrite chip beads from Abracon. These components are engineered for high-frequency noise suppression in compact electronic designs. The series offers various impedance values tailored for different filtering needs while maintaining consistent physical dimensions for automated assembly compatibility.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with direct replacements by matching impedance curves, current ratings, and package dimensions.
