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Product Detailed Parameters
- Description：CMC 2.5MH 25A 3LN TH
- Series：RD
- Mfr：Schaffner EMC Inc.
- Package：Tray
- Filter Type：Power Line
- Number of Lines：3
- Current Rating (Max)：25A (Typ)
- DC Resistance (DCR) (Max)：6.4mOhm (Typ)
- Voltage Rating - DC：850V
- Voltage Rating - AC：600V
- Operating Temperature：-25°C ~ 110°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：3.150" L x 3.150" W (80.00mm x 80.00mm)
- Height (Max)：1.988" (50.50mm)
- Package / Case：-
- Inductance @ Frequency：2.5 mH @ 400 Hz
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Overview
The RD8137-25-2M5 is a three-line common mode choke manufactured by TE Connectivity / Schaffner. It features a nanocrystalline core and through-hole PCB mounting. Key electrical parameters include an inductance of 2.5 mH, 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 a cylindrical package height of 38 mm with a diameter of 62 mm.
Feature Summary
- Utilizes nanocrystalline core material for high-performance electromagnetic interference suppression.
- Designed as a current-compensated choke for efficient common mode noise filtering.
- Supports horizontal PCB mounting via through-hole termination for robust mechanical stability.
Applications
- AC and DC filtering for midsize power range drives
- Automation and industrial LED lighting systems
- Communication devices and converters
- EV charging stations and fast chargers
- Medical and laboratory equipment
Procurement Notes
Verify the manufacturer designation as TE Connectivity / Schaffner when sourcing this component. Confirm that the specific part number RD8137-25-2M5 matches the required 2.5 mH inductance and 25 A current rating for your design. Ensure compatibility with through-hole PCB assembly processes and check for RoHS compliance documentation prior to final procurement decisions.
Selection Notes
Select this component for applications requiring high current handling up to 25 A with significant common mode attenuation. The nanocrystalline core offers advantages in size and performance compared to traditional ferrite cores. Consider the 38 mm height and 62 mm diameter dimensions during PCB layout planning to ensure adequate clearance and mechanical fit within the enclosure.
Part Context
This component belongs to the RD series of common mode chokes from Schaffner EMC Inc., now part of TE Connectivity. These filters are engineered for demanding industrial and medical environments where reliability and compact form factors are critical. The series provides solutions for EMI/EMC compliance in power supply lines across various electronic equipment categories.
Replacement Considerations
Publicly confirmed substitute part numbers for RD8137-25-2M5 were not identified in the provided source data. Verify pinout and inductance values carefully if considering alternative manufacturers' components for direct replacement.
FAQ
What is the core material used in the RD8137-25-2M5?
The RD8137-25-2M5 utilizes a nanocrystalline core material.
Is the RD8137-25-2M5 shielded?
No, the RD8137-25-2M5 is unshielded.
