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Product Detailed Parameters
- Description：CMC 20MH 400MA 2LN TH
- Series：ED101
- Mfr：Schaffner EMC Inc.
- Package：Box
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：3.7Ohm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.945" L x 0.563" W (24.00mm x 14.30mm)
- Height (Max)：0.610" (15.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：20 mH @ 10 kHz
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Overview
The Schaffner ED101-0.4-20M is a compact, current-compensated common mode choke designed for electromagnetic interference suppression in single-phase circuits. It features a through-hole mounting configuration suitable for printed circuit board integration. The component operates at a rated voltage of 300 VAC and supports a continuous current of 0.4 A. It provides an inductance of 20 mH measured at 10 kHz, with a typical DC resistance of 3.7 Ohms. This series is engineered for applications requiring efficient noise reduction in space-constrained environments.
Feature Summary
- Current-compensated design for effective common mode noise suppression
- Compact form factor optimized for LED driver and lighting equipment integration
- Through-hole construction for secure PCB mounting
Applications
- LED drivers
- Lighting equipment
- Single-phase power line filtering
Procurement Notes
Verify the complete part number including suffixes to ensure correct inductance and current ratings. Confirm that the 300 VAC rating and 0.4 A current capacity align with your specific circuit requirements. Check datasheets for thermal derating curves and insulation specifications relevant to your safety standards.
Selection Notes
Select this component when space constraints limit the use of larger filters. Ensure the operating frequency range matches the noise spectrum requiring attenuation. Verify that the 20 mH inductance provides sufficient impedance at the target frequency without causing excessive voltage drop or saturation under peak load conditions.
Part Context
This component belongs to the ED101 series of EMC/RFI chokes from Schaffner. It is part of a family of current-compensated chokes designed for off-the-shelf solutions in lighting and general electronic applications. The series offers standardized performance metrics for common mode interference mitigation in low-power AC circuits.
Replacement Considerations
The ED100-0.4-20M is a related variant within the same product family. Verify if the ED100 series meets identical electrical and mechanical specifications before substitution. Cross-reference inductance, current rating, and physical dimensions to ensure compatibility.
