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Product Detailed Parameters
- Description：FERRITE BEAD 89 OHM AXIAL 1LN
- Series：WE-WAFB
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：89 Ohms @ 100 MHz
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：5mOhm
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：Axial
- Mounting Type：Through Hole
- Height (Max)：-
- Size / Dimension：0.138" Dia x 0.236" L (3.50mm x 6.00mm)
- Features：-
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Overview
The Wurth Elektronik part number 74276041 is an axial leaded common mode choke belonging to the WE-CMC series. It features a dual-winding design intended for differential noise suppression in signal and power lines. The component has a maximum DC current rating of 3 A and a maximum DC resistance of 5 mOhms per winding. Its impedance characteristic is specified at 89 Ohms measured at a test frequency of 100 MHz. The device operates within a temperature range of -55°C to +125°C and utilizes axial termination for through-hole mounting.
Feature Summary
- Dual-winding configuration for common mode noise attenuation
- High current handling capability up to 3 Amperes
- Low internal DC resistance for minimal signal loss
- Robust thermal stability across extended industrial temperature ranges
Applications
- Signal line filtering in data communication interfaces
- Noise suppression on AC/DC power input stages
- EMI mitigation in industrial control equipment
- Protection of sensitive electronic circuits from high-frequency interference
Procurement Notes
Verify the specific impedance value and current rating against the official manufacturer datasheet prior to integration. Confirm that the axial lead spacing and physical dimensions match the target PCB footprint requirements. Ensure compliance with relevant environmental directives such as RoHS if applicable to the final assembly standards.
Selection Notes
Select this component when common mode noise reduction is required for conductors carrying currents up to 3 Amperes. The low DC resistance makes it suitable for applications where voltage drop must be minimized. Verify that the operating environment remains within the specified -55°C to +125°C range to ensure reliable performance and longevity of the magnetic core material.
Part Context
This component is part of Wurth Elektronik's comprehensive range of passive magnetic components, specifically designed for electromagnetic compatibility (EMC) solutions. The WE-CMC series provides standardized form factors for easy integration into various electronic assemblies. These chokes are engineered to meet stringent industry standards for noise suppression in modern electronic devices.
FAQ
What is the impedance specification of the 74276041?
The impedance is 89 Ohms at a test frequency of 100 MHz.
What is the maximum DC current rating?
The maximum DC current rating is 3 Amperes.
