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Product Detailed Parameters
- Description：FERRITE BEAD 48 OHM 2SMD 1LN
- Series：28F
- Mfr：Laird-Signal Integrity Products
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：1
- Impedance @ Frequency：48 Ohms @ 100 MHz
- Current Rating (Max)：10A
- DC Resistance (DCR) (Max)：0.75mOhm
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：2-SMD, J-Lead
- Mounting Type：Surface Mount
- Height (Max)：0.120" (3.05mm)
- Size / Dimension：0.100" L x 0.120" W (2.54mm x 3.05mm)
- Features：-
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Overview
The Laird-Signal Integrity Products 28F0121-0SR-10 is a single-line surface-mount ferrite bead designed for EMI suppression in power and signal circuits. It features a 2-SMD J-Lead package with dimensions of 3.05mm x 2.54mm and a maximum height of 3.05mm. The component provides an impedance of 48 Ohms at 100 MHz, supports a maximum current rating of 10A, and has a maximum DC resistance (DCR) of 0.75 milliohms. It operates within a temperature range of -40°C to 125°C.
Feature Summary
- Provides broadband frequency noise attenuation for high-speed signals
- Features 100% tin-plated over nickel terminations for solderability
- Designed for compact surface-mount integration on power lines
Applications
- High-speed signal line filtering
- Power line EMI suppression
- General signal line noise reduction
Procurement Notes
Verify the specific suffix '10' against the manufacturer's part number guide to confirm packaging configuration. Confirm RoHS compliance status as some sources indicate non-compliance while others may list different variants. Ensure the J-Lead footprint matches the target PCB layout requirements before procurement.
Selection Notes
Select this component when a low DC resistance of 0.75 milliohms is required to minimize voltage drop in high-current applications up to 10A. The 48 Ohm impedance at 100 MHz makes it suitable for specific broadband noise profiles. Verify that the larger 1612 metric footprint fits the available board space compared to smaller chip beads.
Part Context
This component belongs to the Laird ferrite bead family, specifically utilizing a J-Lead SMD form factor. It is distinct from standard rectangular chip beads due to its lead shape, which aids in mechanical stability. The product line focuses on signal integrity solutions for electronic assemblies requiring robust EMI filtering capabilities.
Replacement Considerations
The 35F0121-0SR-10 is a related variant offering 42 Ohms impedance. Cross-referencing with the official Part Number Guide is essential to determine if alternative suffixes provide identical electrical characteristics or different packaging options.
