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Product Detailed Parameters
- Description：CMC 2.5MH 2.8A 2LN TH
- Series：CM1011
- Mfr：Delevan
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：2.8A
- DC Resistance (DCR) (Max)：73mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.098" L x 1.098" W (27.90mm x 27.90mm)
- Height (Max)：0.731" (18.56mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：2.5 mH @ 1 kHz
- Impedance @ Frequency：-
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Overview
The Delevan CM1011-255 is a through-hole common mode choke designed for horizontal PCB mounting. It features an inductance of 2.5 mH with a tolerance of ±25%. The component supports a maximum DC current of 2.8 A and exhibits a maximum DC resistance of 73 mOhms. Physical dimensions are 1.1 inches in length, 1.1 inches in width, and 0.7 inches in height. The device is unshielded and utilizes epoxy potting for environmental protection.
Feature Summary
- Horizontal PCB mount configuration for stable mechanical installation
- Epoxy potted construction for enhanced durability
- Unshielded design suitable for standard EMI suppression tasks
Applications
- Power supply input filtering
- DC-DC converter noise reduction
- General purpose EMI suppression in electronic circuits
Procurement Notes
Verify the specific manufacturer designation, as API Delevan components may carry different branding than historical Delevan parts. Confirm that the through-hole termination style matches the target PCB layout requirements. Ensure the 2.5 mH inductance value aligns with the circuit's frequency response needs. Check RoHS compliance status against current regulatory standards for the intended market.
Selection Notes
Select this component when a robust, high-current common mode choke is required for through-hole assembly. The 2.8 A current rating distinguishes it from lower-capacity surface mount alternatives. Consider the physical footprint constraints, as the 1.1-inch square base requires adequate board space. Verify that the unshielded nature does not interfere with nearby sensitive components or magnetic sensors.
Part Context
This part belongs to the CM1011 series of common mode chokes manufactured by API Delevan. The series offers various inductance values tailored for different filtering applications. The CM1011-255 specifically targets applications requiring higher current handling capabilities compared to smaller signal chokes.
Replacement Considerations
Direct substitutes include other Delevan CM1011 series variants with similar electrical characteristics. Cross-reference specifications such as inductance, current rating, and physical dimensions before substitution.
