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Product Detailed Parameters
- Description：CMC 12MH 6A 3LN TH
- Series：RD
- Mfr：Schaffner EMC Inc.
- Package：Tray
- Filter Type：Power Line
- Number of Lines：3
- Current Rating (Max)：6A (Typ)
- DC Resistance (DCR) (Max)：60.6mOhm (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：2.756" L x 2.756" W (70.00mm x 70.00mm)
- Height (Max)：1.594" (40.50mm)
- Package / Case：-
- Inductance @ Frequency：12 mH @ 1 kHz
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Overview
The RD7137-6-12M0 is a three-line common mode choke manufactured by Schaffner EMC Inc., designed for through-hole mounting. It features an inductance of 12 mH measured at 1 kHz and supports a typical current rating of 6 A. The component exhibits a typical DC resistance (DCR) of 60.6 mOhm. It operates within a temperature range of -25°C to +110°C and is rated for 600 V with a withstand voltage of 850 V.
Feature Summary
- Provides electromagnetic interference suppression for three-phase power lines
- Utilizes through-hole leaded construction for robust mechanical integration
- Engineered for high-current applications with low DC resistance
Applications
- CAT scanners
- Defibrillators
- Laboratory equipment
- X-ray equipment
Procurement Notes
Verify the specific ordering suffix against official Schaffner documentation to ensure correct packaging and tolerance specifications. Confirm that the required current rating and inductance values align with the system design requirements before finalizing procurement. Ensure compliance with RoHS directives if applicable to the target market.
Selection Notes
Select this component for three-phase systems requiring significant common mode noise attenuation. The 6 A current rating suits moderate power medical devices. Evaluate the physical footprint for PCB layout constraints. Consider the operating temperature range relative to the enclosure environment to ensure long-term reliability under thermal stress.
Part Context
This component belongs to the Schaffner RD series of current-compensated chokes, now part of TE Connectivity. The series is recognized for electromagnetic compatibility solutions in sensitive medical and industrial environments. The RD7137 variant specifically addresses three-line filtering needs where high inductance is critical for EMI reduction.
Replacement Considerations
Consult official Schaffner cross-reference guides for verified substitutes. Ensure replacement parts match the 12 mH inductance, 6 A current rating, and three-line configuration. Verify package compatibility and electrical ratings before implementation.
