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Product Detailed Parameters
- Description：CMC 1.3MH 25A 4LN TH
- Series：RD
- Mfr：Schaffner EMC Inc.
- Package：Tray
- Filter Type：Power Line
- Number of Lines：4
- Current Rating (Max)：25A (Typ)
- DC Resistance (DCR) (Max)：5.05mOhm (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：Horizontal, 8 PC Pin
- Inductance @ Frequency：1.3 mH @ 400 Hz
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Overview
The Schaffner RD8147-25-1M3 is a horizontal chassis-mount EMC choke from the RD series, designed for common-mode interference attenuation. It features a 1.3 mH inductance at 400 Hz and supports a typical current rating of 25 A with a low DC resistance of 5.05 mOhm. The component utilizes Litz wire construction and is rated for 600 VDC and 600 VAC operation. It meets UL 94V-0 flammability standards and is suitable for PD2 pollution degree environments.
Feature Summary
- Provides high attenuation for common-mode or asymmetric interference signals when connected in series with the phase.
- Utilizes Litz wire construction to optimize performance for electromagnetic compatibility applications.
- Designed for horizontal chassis mounting with IP00 protection rating.
Applications
- Phase-angle control circuits
- Power-line filtering systems requiring common-mode noise suppression
- Industrial equipment subject to PD2 pollution degree conditions
Procurement Notes
Verify that the specific part number matches the required inductance value of 1.3 mH and current rating of 25 A. Confirm that the horizontal chassis mount form factor and Litz wire construction align with your design constraints. Ensure the 600 VAC/VDC ratings are sufficient for your operational voltage environment.
Selection Notes
Select this component when common-mode noise reduction is critical in phase-angle controlled applications. The RD series offers a cost-effective solution for general-purpose filtering. Consider the physical dimensions and mounting style to ensure compatibility with your chassis layout and thermal management requirements.
Part Context
This component belongs to the Schaffner RD series of EMC chokes, which are engineered for robust electromagnetic interference suppression. The series is known for providing reliable attenuation of asymmetric interference signals in various industrial and commercial power applications.
Replacement Considerations
Consult official substitution guides for compatible alternatives within the RD series or equivalent Schaffner EMC products. Verify that any substitute maintains the same inductance, current handling, and mounting specifications.
