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Product Detailed Parameters
- Description：FERRITE BEAD 600 OHM 0402 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：600 Ohms @ 100 MHz
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：1Ohm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0402 (1005 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.022" (0.55mm)
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Features：-
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Overview
The Würth Elektronik WE-CBF 74279279 is a surface-mount EMI suppression ferrite bead in an 0402 package. It exhibits an impedance of 600 Ω at 100 MHz and supports a maximum DC current of 200 mA. The component measures 1.0 mm in length, 0.5 mm in width, and 0.5 mm in height. It operates within a temperature range of -55°C to +125°C and complies with AEC-Q200 standards.
Feature Summary
- Provides high impedance for effective electromagnetic interference suppression in compact designs
- AEC-Q200 qualified for automotive reliability requirements
- Surface-mount construction facilitates automated assembly processes
Applications
- General electronic equipment signal line filtering
- Automotive electronics noise suppression
- Portable device power rail protection
Procurement Notes
Verify the specific impedance tolerance and DC resistance values against the official datasheet before integration. Confirm that the 0402 footprint dimensions align with the PCB layout constraints. Ensure the selected packaging format matches the production line capabilities. Validate thermal performance under maximum operating current conditions to prevent self-heating issues during operation.
Selection Notes
Select this component when space-constrained applications require significant high-frequency attenuation. The 0402 size suits dense circuit boards where larger beads cannot fit. Consider the 200 mA current rating to ensure adequate headroom for the target application. Verify compatibility with reflow soldering profiles specified in the manufacturer documentation.
Part Context
This part belongs to the Würth Elektronik WE-CBF series of chip ferrite beads. The series offers various impedances and current ratings in standard SMD packages. These components are designed to suppress electromagnetic interference in digital and analog circuits. The 74279279 specifically targets high-impedance needs in small form factors.
Replacement Considerations
Consult the official Wurth Elektronik cross-reference tools for verified substitutes. Ensure any alternative maintains the 0402 footprint and 600 Ω impedance at 100 MHz. Verify that replacement parts meet the same AEC-Q200 qualification if used in automotive contexts.
FAQ
What is the physical size of the 74279279 ferrite bead?
The component has dimensions of 1.0 mm in length, 0.5 mm in width, and 0.5 mm in height.
Is this component suitable for automotive applications?
Yes, it is qualified according to the AEC-Q200 standard for automotive electronic components.
What is the maximum DC current rating?
The maximum DC current rating is 200 mA.
