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Product Detailed Parameters
- Description：CMC 1.3MH 50A 3LN CHASSIS MOUNT
- Series：B82745
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：3
- Current Rating (Max)：50A
- DC Resistance (DCR) (Max)：3.75mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：440/250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Chassis Mount
- Size / Dimension：4.803" L x 4.803" W (122.00mm x 122.00mm)
- Height (Max)：2.560" (65.00mm)
- Package / Case：-
- Inductance @ Frequency：1.3 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82745C5A7 is a three-line common-mode choke manufactured by EPCOS, a TDK Electronics brand. Designed for chassis mounting, this component features an inductance of 1.3 mH and supports a current rating of 50 A. It exhibits a typical DC resistance (DCR) of 3.75 mOhm. The device is constructed to handle high-current applications while providing effective electromagnetic interference suppression across three lines.
Feature Summary
- Provides common-mode noise suppression for three-phase power systems
- Engineered for robust chassis mounting installation
- Capable of handling high continuous current loads up to 50 A
Applications
- Three-phase power supply filtering
- Industrial motor drive input stages
- Uninterruptible Power Supply (UPS) systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required mounting hardware and terminal configurations. Confirm that the 50 A current rating and 1.3 mH inductance align with the target circuit design requirements before finalizing procurement orders.
Selection Notes
Select this component when three-line common-mode attenuation is required for high-current industrial or commercial power applications. Ensure the chassis mounting style fits the enclosure design constraints. Verify thermal management capabilities are sufficient for the expected operating environment given the low DC resistance and high current handling capacity.
Part Context
This part belongs to the EPCOS B82745 series of common-mode chokes. EPCOS, now integrated into TDK Electronics, specializes in passive electronic components. This series is typically utilized in power electronics to mitigate electromagnetic interference in AC power lines, ensuring compliance with regulatory standards for conducted emissions.
Replacement Considerations
Consult official TDK-EPC substitution guides for verified alternatives. Cross-reference key parameters such as inductance value, current rating, and physical mounting dimensions to ensure functional equivalence without modifying the existing chassis mount infrastructure.
