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Product Detailed Parameters
- Description：FERRITE BEAD 700 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：700 Ohms @ 100 MHz
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：650mOhm
- 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 74279219 is a surface-mount ferrite bead from the WE-CBF series, designed for EMI suppression in single-signal lines. It features a 1206 (3216 metric) package with dimensions of 3.20mm length, 1.60mm width, and a maximum height of 1.30mm. The component provides an impedance of 700 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 200 mA and has a maximum DC resistance of 650 mOhms. The device operates within a temperature range of -55°C to +125°C.
Feature Summary
- Provides high impedance for effective electromagnetic interference suppression in signal lines
- Automotive-grade reliability certified under AEC-Q200 standards
- Compact surface-mount footprint suitable for space-constrained PCB layouts
Applications
- Signal line filtering in automotive electronic systems
- EMI suppression for high-speed data interfaces
- Noise reduction in portable consumer electronics
Procurement Notes
Verify the specific suffix codes against the manufacturer datasheet to confirm exact impedance and tolerance specifications. Ensure packaging preferences such as cut tape or reel are selected correctly during ordering. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process before finalizing procurement.
Selection Notes
Select this component when designing circuits requiring significant attenuation of high-frequency noise on single-ended signals. The 200 mA current rating limits suitability for power lines; verify that the operating current remains below this threshold to prevent saturation. Consider the 1206 package size relative to available board space and thermal management needs.
Part Context
This part belongs to the WE-CBF family of small-size SMD ferrite beads manufactured by Würth Elektronik. The series is engineered for general-purpose EMI/RFI suppression applications where compact form factors are required. These components utilize specialized ferrite materials optimized for broadband noise absorption across radio frequencies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's RedExpert design tool or official cross-reference lists for verified alternatives.
