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Product Detailed Parameters
- Description：CMC 51UH 300MA 2LN 300 OHM SMD
- Series：WE-SL1
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：160mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.256" L x 0.142" W (6.50mm x 3.60mm)
- Height (Max)：0.071" (1.80mm)
- Package / Case：Horizontal, 4 J-Lead
- Inductance @ Frequency：51 µH @ 100 kHz
- Impedance @ Frequency：300 Ohms @ 300 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744212510 is a surface-mount common mode line filter from the WE-SL1 series. It features an inductance of 51 µH at 100 kHz and provides an impedance of 300 Ohms at 300 MHz. The component supports a maximum DC current of 300 mA with a maximum DC resistance of 160 mOhms. Rated for 80 VDC, it operates within a temperature range of -40°C to +105°C. Physical dimensions are 6.5 mm x 3.6 mm x 1.65 mm.
Feature Summary
- Utilizes sectional winding technology for effective noise suppression
- Designed for compatibility with standard reflow soldering profiles
- Compact surface-mount footprint suitable for space-constrained PCB layouts
Applications
- Signal line filtering in electronic circuits
- Noise suppression for data transmission lines
- EMI mitigation in compact consumer electronics
Procurement Notes
Verify the specific ordering suffix to confirm packaging type, such as cut tape or reel configuration. Ensure the component meets RoHS3 compliance requirements for your assembly process. Cross-reference the manufacturer part number with official distributor catalogs to confirm availability and authenticity before procurement.
Selection Notes
Select this component when designing circuits requiring 300 mA current handling capability. The 51 µH inductance value is appropriate for specific frequency attenuation needs. Verify that the 160 mOhms DCR fits within the power loss budget of the application design constraints.
Part Context
This component belongs to the WE-SL1 series of SMD common mode filters manufactured by Würth Elektronik. The series is engineered for high-performance signal integrity applications. It represents a specialized solution for managing electromagnetic interference in modern surface-mount technology assemblies.
Replacement Considerations
Consult official Wurth Elektronik documentation for verified substitute part numbers. Do not assume functional equivalence with generic common mode chokes without verifying electrical parameters and physical dimensions.
