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Product Detailed Parameters
- Description：FERRITE BEAD 120 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：120 Ohms @ 100 MHz
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：30mOhm
- 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 742792113 is a surface-mount EMI suppression ferrite bead from the WE-CBF series. It features a 1206 (3216 metric) package and provides an impedance of 120 Ohms at 100 MHz. The component supports a maximum DC current of 3000 mA with a maximum DC resistance of 8 milliohms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.
Feature Summary
- Provides high-current EMI suppression capabilities suitable for power line filtering applications
- AEC-Q200 qualified for enhanced reliability in automotive electronic environments
- Low DC resistance minimizes power loss and voltage drop in high-current circuits
Applications
- Automotive electronics power distribution networks
- High-current signal line filtering
- EMI suppression on data buses requiring high current tolerance
Procurement Notes
Verify the specific impedance value and current rating against the official datasheet before integration. Confirm that the 1206 package dimensions align with the PCB footprint requirements. Ensure the selected variant meets the required AEC-Q200 standards if used in automotive contexts. Check for any recent product change notices regarding material or manufacturing updates.
Selection Notes
Select this component when circuit designs require significant current handling alongside noise attenuation. The low DC resistance makes it appropriate for power lines where efficiency is critical. Compare its impedance profile against other frequencies to ensure effective filtering across the target noise spectrum. Consider thermal management capabilities given the high current rating.
Part Context
This part belongs to the WE-CBF series, which focuses on small-size SMD ferrite beads. The series offers various impedance and current combinations to address diverse EMI suppression needs. The 742792113 specifically targets applications needing robust performance in compact spaces while maintaining high current capacity.
Replacement Considerations
Check for direct substitutes within the same series offering similar impedance and current ratings. Verify package compatibility and electrical characteristics before substituting. Consult manufacturer documentation for approved alternatives.
