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Product Detailed Parameters
- Description：FERRITE BEAD 1 KOHM 0603 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：1 kOhms @ 100 MHz
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：600mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0603 (1608 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.039" (1.00mm)
- Size / Dimension：0.063" L x 0.032" W (1.60mm x 0.80mm)
- Features：-
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Overview
The Würth Elektronik part number 74279266 is a surface-mount EMI suppression ferrite bead from the WE-CBF series. It utilizes a 0603 (1608 metric) package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 1000 Ohms at a test frequency of 100 MHz. It supports a maximum DC current rating of 200 mA and has a maximum DC resistance of unspecified low value typical for this class. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- Provides high impedance for effective electromagnetic interference suppression in compact designs
- AEC-Q200 qualified for automotive reliability standards
- Designed for surface mount technology integration
Applications
- Automotive electronic circuits requiring EMI filtering
- Portable digital devices with space constraints
- High-frequency signal line noise suppression
Procurement Notes
Verify the specific datasheet version for the 74279266 component to confirm exact DC resistance values and tolerance specifications. Ensure that the selected packaging format matches the assembly requirements. Cross-reference the AEC-Q200 certification status with the manufacturer's official documentation to guarantee compliance with automotive quality standards before finalizing procurement decisions.
Selection Notes
Select this component when a 0603 footprint is required for high-impedance filtering applications. The 200 mA current rating limits suitability for high-power lines, making it appropriate for signal or low-current power rails. Consider the 1000 Ohm impedance profile against target noise frequencies to ensure adequate attenuation without excessive signal loss.
Part Context
This ferrite bead belongs to the WE-CBF series, which focuses on small-size SMD solutions for EMI suppression. The series offers various impedance and current ratings across different package sizes to support diverse design needs in consumer and automotive electronics.
Replacement Considerations
Check for direct substitutes within the WE-CBF series offering similar 0603 dimensions and 1000 Ohm impedance. Verify that any alternative maintains the same AEC-Q200 qualification and thermal characteristics.
