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Product Detailed Parameters
- Description：FERRITE BEAD 48 OHM 1206 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：48 Ohms @ 100 MHz
- Current Rating (Max)：6A
- DC Resistance (DCR) (Max)：5mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：1206 (3216 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.051" (1.30mm)
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Features：-
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Overview
The Würth Elektronik 742792117 is a surface-mount EMI suppression ferrite bead from the WE-CBF series. It features a 1206 (3216 metric) package with dimensions of 3.20mm length and 1.60mm width. The component exhibits an impedance of 48 ohms at 100 MHz and supports a DC current rating of 6000 mA. Its maximum DC resistance is 5 milliohms, ensuring minimal signal loss in high-current applications.
Feature Summary
- Provides electromagnetic interference suppression for signal lines
- Designed for surface mount assembly on printed circuit boards
- Capable of handling high direct current loads
Applications
- Signal line filtering in electronic circuits
- EMI suppression in automotive electronics compliant with AEC-Q200 standards
- High-current data line protection
Procurement Notes
Verify the specific impedance value and current rating against the official datasheet before integration. Confirm that the 1206 package footprint matches the design layout. Ensure compliance with RoHS and REACH regulations if required by the target market. Check for any product change notices or obsolescence alerts directly from the manufacturer.
Selection Notes
Select this component when a low-profile surface-mount solution is required for high-current signal paths. The 48-ohm impedance at 100 MHz targets specific noise frequencies. The 6000 mA rating distinguishes it from lower-current variants. Verify thermal performance under continuous load conditions to ensure reliability within the specified operating temperature range.
Part Context
This part belongs to the WE-CBF series of SMT EMI suppression ferrites. It is distinct from snap-on ferrite cores like the STAR-TEC series due to its chip form factor. The component is designed for automated placement and reflow soldering processes, offering a compact alternative to through-hole or clamp-on magnetic components.
Replacement Considerations
Cross-reference with other WE-CBF series parts such as 742792115 for similar impedance characteristics. Verify pin compatibility and physical dimensions against alternative manufacturers' offerings to ensure mechanical fit without redesigning the PCB footprint.
FAQ
What is the DC current rating for the 742792117?
The component has a DC current rating of 6000 mA.
Is this component suitable for automotive applications?
Yes, it is qualified according to the AEC-Q200 standard for passive components.
What is the maximum DC resistance?
The maximum DC resistance is 5 milliohms.
