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Product Detailed Parameters
- Description：CMC 1.2MH 3A 2LN TH
- Series：EH
- Mfr：Schaffner EMC Inc.
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：29mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 100°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.945" L x 0.945" W (24.00mm x 24.00mm)
- Height (Max)：0.827" (21.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：1.2 mH @ 400 Hz
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Overview
The EH24-3.0-02-1M2 is a dual common-mode choke from the Schaffner EH/EV series, designed for PCB board mounting via through-hole technology. It features a 250 VDC voltage rating and a 3 A current capacity with a PD2 pollution degree classification. The component exhibits an inductance of 1.2 mH at 400 Hz and a typical DC resistance of 29 mOhm. It operates within a temperature range of -25°C to 100°C, utilizes UL 94V-0 rated materials, and maintains an IP00 protection level.
Feature Summary
- Provides common-mode noise suppression for power lines
- Supports horizontal PCB board mounting configuration
- Constructed with UL 94V-0 flammability rated housing
Applications
- AC power input filtering
- EMC/RFI suppression circuits
- Board-level power line conditioning
Procurement Notes
Verify the specific manufacturer designation, as TE Connectivity acquired Schaffner EMC Inc. Ensure the part number matches the required inductance and current ratings for your design. Confirm that the through-hole package dimensions and pin spacing align with your PCB layout constraints before finalizing procurement.
Selection Notes
Select this component when a compact, board-mounted solution is required for low-voltage DC applications up to 250 VDC. It is suitable for designs needing 3 A handling capability with minimal DC resistance. Consider the operating temperature range and physical height constraints to ensure compatibility with the enclosure and surrounding components.
Part Context
This component belongs to the EH/EV series of common-mode chokes manufactured by Schaffner EMC Inc., now part of TE Connectivity. These devices are engineered for electromagnetic interference suppression in electronic equipment. The series offers various inductance values and current ratings to suit different power line filtering requirements across industrial and consumer applications.
Replacement Considerations
Check for direct substitutes within the EH/EV series with matching inductance and current ratings. Verify pinout compatibility and physical footprint dimensions to ensure seamless integration into existing PCB layouts without redesigning the board.
FAQ
What is the maximum DC resistance of the EH24-3.0-02-1M2?
The typical DC resistance is 29 mOhm.
Is this component suitable for AC or DC applications?
It is rated for 250 VDC and is commonly used in AC power input modules where DC specifications define the insulation and safety ratings.
