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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：2.362" L x 1.496" W (60.00mm x 38.00mm)
- Height (Max)：2.480" (63.00mm)
- Package / Case：Vertical, 6 PC Pin
- Inductance @ Frequency：12.8 mH @ 100 kHz
- Qualification：-
- Grade：-
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Overview
The RT8531-25-12M8 is a three-channel current-compensated common mode choke from the Schaffner RT-Series, designed for PCB through-hole mounting. It features a nanocrystalline core and provides an inductance of 12.8 mH with a tolerance of -30% to +50%. The component supports a maximum DC current of 25 A and has a maximum DC resistance of 3.5 mOhms. It operates within a temperature range of -40°C to +125°C and measures 60 mm x 38 mm x 63 mm.
Feature Summary
- Utilizes nanocrystalline core material for effective electromagnetic interference filtering
- Designed as a current-compensated choke for balanced line applications
- Constructed for vertical PCB through-hole mounting without shielding
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
Procurement Notes
Verify the specific manufacturer part number against official TE Connectivity / Schaffner documentation to confirm electrical ratings and physical dimensions. Ensure compatibility with PCB layout requirements for through-hole assembly. Cross-reference datasheets for precise inductance tolerances and thermal performance characteristics before integration into final designs.
Selection Notes
Select this component for applications requiring high-current handling up to 25 A with significant common mode noise suppression. The nanocrystalline core offers advantages in size and efficiency compared to traditional ferrite cores. Consider the unshielded design and vertical mounting profile when planning board space and mechanical clearance in industrial or automotive enclosures.
Part Context
This component belongs to the Schaffner RT-Series, which specializes in EMC chokes for power line filtering. The series includes various configurations optimized for different voltage and current levels, typically rated for up to 600 VDC. These chokes are engineered to meet stringent electromagnetic compatibility standards in demanding industrial and commercial environments.
Replacement Considerations
Consult official Schaffner substitution guides for verified alternatives within the RT-Series. Ensure any replacement matches the 12.8 mH inductance, 25 A current rating, and nanocrystalline core type. Verify that physical dimensions and pinout configurations remain compatible with existing PCB footprints.
