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Product Detailed Parameters
- Description：CMC 4.7MH 400MA 2LN SMD
- Series：B82793
- Mfr：EPCOS - TDK Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：550mOhm (Typ)
- Voltage Rating - DC：80V
- Voltage Rating - AC：42V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.280" L x 0.236" W (7.10mm x 6.00mm)
- Height (Max)：0.189" (4.80mm)
- Package / Case：Horizontal, 4 Gull Wing
- Inductance @ Frequency：4.7 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82793C0475N265 is a current-compensated double choke from the EPCOS B82793C0 series, designed for data and signal line applications. It features a ferrite core with an LCP case (UL 94 V-0) and silicone potting. The component utilizes bifilar winding construction to suppress asymmetrical interference coupled into lines while allowing data signals up to several MHz to pass unaffectedly. It is qualified to AEC-Q200 standards, suitable for reflow soldering, and RoHS-compatible.
Feature Summary
- Suppresses asymmetrical interference on data lines without affecting high-frequency data signals
- Current-compensated double choke design with bifilar winding
- Qualified to AEC-Q200 automotive standard
Applications
- Data and signal line filtering in automotive electronics
- Suppression of asymmetrical interference in communication interfaces
- EMC protection for high-speed data transmission lines
Procurement Notes
Verify the complete part number including the ordering suffix N265 to ensure correct packaging and reel specifications. Confirm that the application environment meets the rated voltage and current limits specified in the official datasheet. Check for RoHS compliance documentation if required by specific regional regulations or customer mandates.
Selection Notes
Select this component when asymmetrical noise suppression is required for data lines carrying signals up to several MHz. The bifilar winding configuration makes it distinct from symmetrical chokes. Ensure the physical dimensions fit the PCB layout constraints and that the operating temperature range aligns with the system requirements.
Part Context
This component belongs to the B82793C0/S0 series of common-mode chokes manufactured by EPCOS (now TDK Electronics). The series offers various inductance values and current ratings, all sharing similar construction features such as ferrite cores and LCP cases. These chokes are widely used in automotive and industrial applications requiring reliable EMC performance.
Replacement Considerations
Check for other parts within the B82793C0 series with matching inductance and current ratings. Verify pin compatibility and mechanical footprint before substituting with components from other manufacturers.
