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Product Detailed Parameters
- Description：CMC 20MH 1.5A 2LN TH
- Series：EH
- Mfr：Schaffner EMC Inc.
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.5A
- DC Resistance (DCR) (Max)：282mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 100°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.102" L x 1.102" W (28.00mm x 28.00mm)
- Height (Max)：0.941" (23.90mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：20 mH @ 400 Hz
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Overview
The EH28-1.5-02-20M is a common mode choke manufactured by Schaffner EMC Inc., part of the EH series. It features horizontal mounting with through-hole termination and utilizes ferrite core material. The component provides an inductance of 20 mH with a tolerance of 15%. It supports a maximum DC current of 1.5 A and has a maximum DC resistance of 360 mOhms. The operating temperature range spans from -25 C to +100 C, and the physical dimensions are 28 mm x 28 mm x 22.9 mm.
Feature Summary
- Horizontal PCB mount configuration for space-constrained layouts
- Ferrite core construction for effective electromagnetic interference suppression
- Through-hole termination ensuring robust mechanical stability
Applications
- General-purpose EMI filtering in electronic circuits
- Power supply input stages requiring common mode noise reduction
- Industrial equipment signal line protection
Procurement Notes
Verify the manufacturer designation as Schaffner EMC Inc. or TE Connectivity / Schaffner. Confirm the specific inductance value of 20 mH and current rating of 1.5 A against the datasheet. Ensure the horizontal package style matches the design requirements. Check RoHS compliance status directly from official documentation before procurement.
Selection Notes
Select this component when a 20 mH inductance is required for common mode noise suppression at currents up to 1.5 A. The horizontal form factor is suitable for boards where vertical height is restricted but footprint area is available. Verify that the 360 mOhms DC resistance meets the circuit's power loss constraints.
Part Context
This component belongs to the EH series of common mode chokes designed for general EMC/EMI applications. The series offers various inductance values and current ratings within a standardized horizontal package size, facilitating consistent board layout strategies across different product designs.
Replacement Considerations
Cross-reference with other EH series variants such as EH28-1.5-02-15M-X if lower inductance is acceptable. Verify pin compatibility and thermal characteristics before substituting with components from other manufacturers.
