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Product Detailed Parameters
- Description：CMC 20A 2LN 170 OHM SMD
- Series：CM3440
- Mfr：Laird-Signal Integrity Products
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：20A
- DC Resistance (DCR) (Max)：1mOhm
- Voltage Rating - DC：100V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.335" L x 0.395" W (8.51mm x 10.00mm)
- Height (Max)：0.367" (9.32mm)
- Package / Case：Vertical, 4 Flat Lead
- Inductance @ Frequency：-
- Impedance @ Frequency：170 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The CM3440Z171R-10 is a surface mount common mode choke manufactured by Laird-Signal Integrity Products. It features two lines and provides an impedance of 170 Ohms at 100 MHz. The component supports a maximum current rating of 20A with a maximum DC resistance of 1 milliohm. It operates within a temperature range of -40°C to 125°C and utilizes a vertical package with flat leads.
Feature Summary
- Designed for power, low-frequency, and high-frequency signal lines
- Capable of withstanding high DC currents without saturation
Applications
- Power line filtering
- Low-frequency signal line protection
- High-frequency signal line protection
Procurement Notes
Verify the specific package orientation and lead configuration against the official datasheet before integration. Confirm that the 20A current rating aligns with the thermal management design of the target application. Ensure compatibility with the specified operating temperature range of -40°C to 125°C for the intended environment.
Selection Notes
Select this component when high current handling capability is required for common mode noise suppression. The 170 Ohm impedance at 100 MHz targets specific frequency ranges. Verify that the physical dimensions and mounting type fit the PCB layout constraints compared to alternative series components.
Part Context
This part belongs to the Laird common mode choke family designed for robust performance in demanding environments. It serves as a solution for EMI suppression in circuits carrying significant DC current while maintaining signal integrity across various frequency bands.
Replacement Considerations
Direct substitute: CM4732V201R-10
FAQ
What is the maximum DC resistance of the CM3440Z171R-10?
The maximum DC resistance is 1 milliohm.
Is this component suitable for high-frequency applications?
Yes, it is designed for high-frequency signal lines in addition to power and low-frequency applications.
