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Product Detailed Parameters
- Description：FERRITE BEAD 250 OHM 2220 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：250 Ohms @ 100 MHz
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：12mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：2220 (5750 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.081" (2.05mm)
- Size / Dimension：0.220" L x 0.200" W (5.59mm x 5.08mm)
- Features：Automotive
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Overview
The Würth Elektronik 7427928251 is a surface-mount EMI suppression ferrite bead from the WE-CBF series. It features a 2220 (5750 metric) package size and provides an impedance of 250 Ohms at 100 MHz. The component supports a maximum current rating of 4 Amperes with a maximum DC resistance of 12 milliohms. It operates within a temperature range of -55°C to +125°C and is designed for single-line signal filtering applications.
Feature Summary
- Provides high impedance for effective electromagnetic interference suppression in signal lines
- Supports high current handling capability suitable for power-sensitive circuits
- Utilizes a compact surface-mount footprint for automated assembly integration
Applications
- Signal line noise filtering
- EMI suppression in electronic assemblies
- High-current circuit protection
Procurement Notes
Verify the specific package dimensions and electrical ratings against the official datasheet before integration. Confirm that the operating temperature range meets the environmental requirements of the final application. Ensure compatibility with standard surface-mount reflow soldering profiles to maintain component integrity during manufacturing.
Selection Notes
Select this component when a low-profile, high-current ferrite bead is required for signal integrity management. The 2220 package offers a balance between physical size and current capacity. Consider the 250 Ohm impedance characteristic at 100 MHz to ensure it aligns with the target noise frequencies in the design.
Part Context
This part belongs to the WE-CBF series of SMT EMI suppression ferrite beads manufactured by Würth Elektronik. These components are engineered for reliable noise reduction in compact electronic designs. The series is characterized by stable performance across wide temperature ranges and consistent impedance characteristics.
FAQ
What is the maximum current rating for the 7427928251?
The maximum current rating is 4 Amperes.
What is the impedance value at 100 MHz?
The impedance is 250 Ohms at 100 MHz.
