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Product Detailed Parameters
- Description：CMC 4.4MH 50A 3LN TH NANO
- Series：RT, N
- Mfr：Schaffner EMC Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：3
- Current Rating (Max)：50A
- 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：2.598" Dia (66.00mm)
- Height (Max)：1.654" (42.00mm)
- Package / Case：Horizontal, 6 PC Pin
- Inductance @ Frequency：4.4 mH @ 100 kHz
- Qualification：-
- Grade：-
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Overview
The RT8131-50-4M4 is a three-channel current-compensated common mode choke from the Schaffner RT-Series N. It utilizes nanocrystalline core material and features through-hole PCB mounting with 2.2 mm lead diameter. The component provides an inductance of 4.4 mH with tolerances of -30% to +50%. It supports maximum DC currents of 50 A or 80 A and has a maximum DC resistance of 1.2 mOhms. Operating temperatures range from -40°C to +125°C, with physical dimensions of 66 mm diameter and 42 mm height.
Feature Summary
- Current-compensated design for effective noise suppression
- Nanocrystalline core material construction
- Three-channel configuration for multi-phase filtering
Applications
- AC and DC filtering for midsize power range drives
- Photovoltaic inverters
- EV charging stations and fast chargers
- UPS and switch mode power supplies
Procurement Notes
Verify the specific maximum DC current rating (50 A or 80 A) required for your application against the datasheet specifications. Confirm that the through-hole mounting style and 2.2 mm lead diameter are compatible with your PCB layout. Ensure the operating temperature range of -40°C to +125°C meets environmental requirements. Check RoHS compliance status if necessary for regulatory adherence.
Selection Notes
Select this component when high inductance is needed for midsize power applications requiring current compensation. The nanocrystalline core offers performance advantages over standard ferrite cores. Consider the unshielded design and physical dimensions (66 mm x 42 mm) for enclosure space constraints. Evaluate the wide tolerance range (-30%, +50%) for circuit design margins.
Part Context
This part belongs to the Schaffner RT-Series N, designed for demanding EMC/RFI applications. It is manufactured by TE Connectivity / Schaffner. The series focuses on high-performance chokes for industrial and automotive sectors. The RT8131 variant specifically addresses three-channel filtering needs.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Schaffner resources for equivalent models within the RT-Series family.
