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Product Detailed Parameters
- Description：CMC 20MH 400MA 2LN TH
- Series：ED100
- 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 ED100-0.4-20M is a vertical through-hole common mode choke designed for LED driver applications. It features a 20 mH inductance at 10 kHz and supports a maximum current of 400 mA with a typical DC resistance of 3.7 Ohms. Rated for 300 VAC, this component operates within a temperature range of -40°C to +100°C. The device utilizes a 4-pin PC pin package for secure board mounting.
Feature Summary
- Provides effective common mode noise suppression for sensitive electronic circuits
- Compact vertical design suitable for space-constrained printed circuit boards
- Robust construction ensuring reliable performance across wide temperature ranges
Applications
- LED driver circuits
- Power supply input filtering
- General purpose EMI suppression in low power electronics
Procurement Notes
Verify the specific inductance tolerance and current rating requirements against your circuit design before ordering. Confirm that the vertical through-hole package dimensions align with your PCB footprint. Ensure the voltage rating meets the system's peak operating conditions. Check for RoHS compliance status if required by your manufacturing standards.
Selection Notes
Select this component when a compact, high-inductance solution is needed for low-current applications. The 400 mA rating suits small form factor devices. Consider the 3.7 Ohm DC resistance impact on voltage drop. The vertical orientation aids in dense board layouts compared to horizontal alternatives.
Part Context
This part belongs to the ED100 series of compact current-compensated chokes from Schaffner EMC Inc., now part of TE Connectivity. The series is engineered for efficient electromagnetic interference reduction in consumer and industrial electronics. The ED100-0.4-20M specifically targets applications requiring moderate inductance in a small footprint.
Replacement Considerations
Direct substitutes may include other Schaffner ED100 variants with different inductance values. Verify compatibility with TE Connectivity / Schaffner EMC equivalents. Ensure any replacement maintains the same 4-pin vertical through-hole configuration and electrical ratings.
