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Product Detailed Parameters
- Description：CMC 20A 2LN 170 OHM TH
- Series：CM
- Mfr：Laird-Signal Integrity Products
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- 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：Through Hole
- Size / Dimension：0.395" L x 0.335" W (10.03mm x 8.51mm)
- Height (Max)：0.508" (12.90mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：-
- Impedance @ Frequency：170 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The CM3440Z171B-10 is a two-line common mode choke manufactured by Laird-Signal Integrity Products. It features a through-hole mounting type and operates within a temperature range of -40°C to 125°C. The component provides an impedance of 170 ohms at 100 MHz and supports a maximum current rating of 20A. Its maximum DC resistance (DCR) is 1 milliohm. The physical dimensions are 0.395 inches in length by 0.335 inches in width.
Feature Summary
- Provides high-performance filtering for common mode noise
- Designed for economical power filtering applications
- Utilizes a small form factor design
Applications
- Power line filtering
- Common mode noise suppression
- High current circuit protection
Procurement Notes
Verify the specific package configuration, as some sources indicate surface mount while others specify through-hole. Confirm RoHS compliance status with the manufacturer, as conflicting data exists regarding regulatory adherence. Ensure the selected variant matches the required mounting style for the target PCB assembly process before finalizing procurement orders.
Selection Notes
Select this component when high current handling up to 20A is required alongside effective common mode noise attenuation. The low DCR minimizes power loss in high-current paths. Evaluate the physical footprint constraints against the specified dimensions to ensure compatibility with the intended enclosure or board layout requirements.
Part Context
This part belongs to the CM3440 Series, which focuses on high-current common mode chokes. The series emphasizes small form factors combined with high performance for economical power filtering solutions. These components are engineered to address common mode noise issues in demanding electronic environments efficiently.
Replacement Considerations
Direct substitutes from the same manufacturer family should be prioritized to maintain electrical characteristics. Verify that any alternative component matches the 20A current rating and 170 Ohm impedance specifications to ensure functional equivalence in the existing circuit design.
