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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 1812 1LN
- Series：ACMS
- Mfr：Max Echo
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：40mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：1812 (4532 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.059" (1.50mm)
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Features：-
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Overview
The ACMS453215A121 is a single-line multilayer ferrite chip bead manufactured by Max Echo, designed for power line EMI suppression. It features an impedance of 120 Ohms at 100 MHz and supports a maximum current rating of 3A. The component has a maximum DC resistance (DCR) of 40 milliohms. It is housed in an 1812 (4532 Metric) surface-mount package with dimensions of 4.50mm x 3.20mm x 1.50mm. The device operates within a temperature range of -55°C to 125°C and complies with RoHS3 standards.
Feature Summary
- Multilayer construction for high-current power line applications
- Compact 1812 surface-mount footprint
- Low DC resistance for minimal signal loss
- Wide operating temperature range
Applications
- Power supply input filtering
- EMI suppression on data lines
- Noise reduction in portable electronics
Procurement Notes
Verify the manufacturer part number ACMS453215A121 against official Max Echo documentation to ensure authenticity. Confirm that the required impedance, current rating, and package dimensions match your circuit design specifications before ordering. Check for RoHS3 compliance if environmental regulations apply to your production process.
Selection Notes
Select this component when a 1812 package size is required for space-constrained designs. Ensure the application current does not exceed 3A to prevent saturation or overheating. Verify that the 120 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum. Consider the low DCR value for efficiency-sensitive power paths.
Part Context
This component belongs to the ACMS series from Max Echo, which includes multilayer ferrite chip beads. The series is engineered for EMI suppression in electronic circuits. The ACMS453215A121 specifically targets power line applications requiring high current handling capabilities within a standard surface-mount form factor.
Replacement Considerations
The Fair-Rite Products Corp. part number 2518121217Y3 is listed as a parameter-equivalent substitute. Verify electrical characteristics such as impedance, current rating, and physical dimensions before substitution.
