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Product Detailed Parameters
- Description：CMC 12.8MH 25A 3LN TH NANO
- Series：RT, N
- Mfr：Schaffner EMC Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：3
- Current Rating (Max)：25A
- DC Resistance (DCR) (Max)：-
- Voltage Rating - DC：-
- Voltage Rating - AC：600V
- Operating Temperature：-40°C ~ 100°C
- Ratings：-
- Approval Agency：UR
- Features：Nanocrystalline Core
- Mounting Type：Through Hole
- Size / Dimension：2.441" Dia (62.00mm)
- Height (Max)：1.496" (38.00mm)
- Package / Case：Horizontal, 6 PC Pin
- Inductance @ Frequency：12.8 mH @ 100 kHz
- Qualification：-
- Grade：-
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Overview
The RT8131-25-12M8 is a three-channel current-compensated common mode choke manufactured by TE Connectivity / Schaffner. It utilizes a nanocrystalline core and features through-hole PCB mounting. Key electrical parameters include an inductance of 12.8 mH with tolerances of -30% to +50%, a maximum DC current rating of 25 A, and a maximum DC resistance of 3.5 mOhms. The component operates within a temperature range of -40°C to +125°C and has physical dimensions of 62 mm diameter and 38 mm height.
Feature Summary
- Utilizes nanocrystalline core material for high-performance electromagnetic interference suppression
- Designed as a current-compensated choke for efficient AC and DC filtering applications
- Constructed for direct through-hole printed circuit board mounting
Applications
- AC and DC filtering for midsize power range drives
- Automation and industrial LED lighting systems
- EV charging stations and fast chargers
- Photovoltaic inverters and UPS systems
- Medical and laboratory equipment
Procurement Notes
Verify the specific part number suffix against official TE Connectivity / Schaffner documentation to ensure correct inductance and current ratings. Confirm that the nanocrystalline core specifications and through-hole termination style match the design requirements. Cross-reference the RoHS compliance status and operating temperature limits with the latest manufacturer datasheet before finalizing procurement decisions.
Selection Notes
Select this component when designing circuits requiring robust common mode noise suppression for midsize power applications. The 25 A current rating and 12.8 mH inductance make it suitable for industrial drives and renewable energy inverters. Ensure the PCB layout accommodates the 62 mm diameter and 38 mm height constraints while maintaining adequate clearance for thermal management during operation.
Part Context
This component belongs to the RT-Series line of EMC/RFI chokes from TE Connectivity / Schaffner. These devices are engineered for electromagnetic compatibility in demanding industrial environments. The RT8131 variant specifically addresses high-current applications using advanced nanocrystalline materials to achieve superior filtering performance compared to traditional ferrite cores.
Replacement Considerations
Consult official TE Connectivity / Schaffner substitution guides for verified alternatives. No public substitute part numbers are confirmed in the provided source data.
