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Product Detailed Parameters
- Description：CMC 20A 3LN 110 OHM SMD
- Series：CM
- Mfr：Laird-Signal Integrity Products
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：3
- Current Rating (Max)：20A
- DC Resistance (DCR) (Max)：1mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.435" L x 0.395" W (11.05mm x 10.03mm)
- Height (Max)：0.367" (9.32mm)
- Package / Case：Vertical, 6 Flat Lead
- Inductance @ Frequency：-
- Impedance @ Frequency：110 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The CM4440Z111R-10 is a surface-mount common mode choke manufactured by Laird-Signal Integrity Products. It features a three-line configuration designed for high-current applications. The component has a maximum current rating of 20A and a maximum DC resistance of 1mOhm. Impedance is specified at 110 Ohms. The operating temperature range extends from -40°C to 125°C. Physical dimensions are 0.435 inches in length, with the width and height supporting standard SMD mounting processes.
Feature Summary
- Three-line common mode filtering architecture
- High current handling capability up to 20A
- Low DC resistance for minimal power loss
- Surface mount package design
Applications
- Power line EMI suppression
- Signal line noise filtering
- Industrial equipment protection
- Automotive electronics circuits
Procurement Notes
Verify the manufacturer part number against official Laird documentation to ensure authenticity. Confirm that the specific suffix matches the required impedance and current ratings. Check RoHS compliance status as indicated in the latest datasheet. Ensure storage conditions align with moisture sensitivity requirements before assembly.
Selection Notes
Select this component when three-phase or multi-wire common mode noise reduction is required. The 20A rating suits high-power distribution lines. Verify that the 110 Ohm impedance meets the target frequency attenuation needs. Ensure PCB footprint accommodates the specified physical dimensions and thermal requirements.
Part Context
This component belongs to the CM4440 series of common mode chokes from Laird-Signal Integrity Products. The series focuses on signal integrity solutions for advanced electronics. These components address electromagnetic interference in demanding environments. The product line supports various industrial and automotive standards.
Replacement Considerations
Direct substitutes within the same series may offer similar electrical characteristics. Verify impedance values and current ratings match exactly. Check physical footprint compatibility for existing PCB layouts. Consult official replacement guides for qualified alternatives.
