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Product Detailed Parameters
- Description：FERRITE BEAD 80 OHM 0805 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：80 Ohms @ 100 MHz
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：200mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0805 (2012 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.043" (1.10mm)
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Features：-
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Overview
The Würth Elektronik 742792062 is a surface-mount EMI suppression ferrite bead from the WE-CBF series, designed for high-speed signal lines. It features an 0805 (2012 Metric) package with dimensions of 2.0 mm x 1.25 mm x 1.0 mm. The component provides an impedance of 80 Ohms at 100 MHz and 400 MHz. It supports a maximum DC current of 500 mA and has a maximum DC resistance of 200 mOhms. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- High-speed EMI suppression capability for sensitive signal lines
- AEC-Q200 automotive qualification ensuring reliability in harsh environments
- Compact 0805 surface-mount footprint for space-constrained PCB layouts
Applications
- Automotive infotainment systems
- High-speed data interface protection
- General electronic equipment requiring EMI filtering
Procurement Notes
Verify the specific impedance tolerance and DC resistance values against the official datasheet before integration. Confirm that the 0805 package dimensions align with the target PCB land pattern. Ensure the selected supplier sources genuine components directly from authorized channels to maintain AEC-Q200 certification validity.
Selection Notes
Select this component when filtering high-frequency noise on single-ended signal lines carrying up to 500 mA. The 80 Ohm impedance at 100 MHz and 400 MHz targets common EMI frequencies. Consider the low DC resistance to minimize voltage drop and power loss in the circuit path compared to higher resistance alternatives.
Part Context
This part belongs to the WE-CBF series of SMD EMI suppression ferrite beads. The series offers various impedance and current ratings in standard metric packages. The 742792062 specifically addresses applications requiring moderate current handling with standardized high-frequency attenuation characteristics in a compact form factor.
Replacement Considerations
Cross-reference with other WE-CBF series parts like 74279206 or 74279208 for different impedance levels. Verify package compatibility and current ratings when substituting with non-Würth equivalents to ensure thermal and electrical performance matches.
