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Product Detailed Parameters
- Description：CMC 20A 4LN 170 OHM TH
- Series：CM
- Mfr：Laird-Signal Integrity Products
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：4
- 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：0.570" L x 0.395" W (14.48mm x 10.03mm)
- Height (Max)：0.508" (12.90mm)
- Package / Case：Vertical, 8 PC Pin
- Inductance @ Frequency：-
- Impedance @ Frequency：170 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The CM5740Z171B-10 is a common mode choke manufactured by Laird-Signal Integrity Products. It features a through-hole mounting type and supports a maximum current rating of 20A. The component exhibits a DC resistance (DCR) of 1mOhm maximum. Its impedance is rated at 170 Ohms at 100MHz. The operating temperature range spans from -40°C to 125°C. Physical dimensions are 0.570 inches in length by 0.395 inches in width, equivalent to 14.48mm x 10.03mm.
Feature Summary
- Provides electromagnetic interference filtering for four lines
- Constructed with ferrite material for high-frequency noise suppression
- Designed for through-hole installation on printed circuit boards
Applications
- Power supply input filtering
- Data line protection in industrial equipment
- EMI suppression in automotive electronics
Procurement Notes
Verify the specific suffix B indicates through-hole packaging when ordering. Confirm that the 20A current rating aligns with system requirements. Ensure the 170 Ohm impedance at 100MHz meets EMI standards. Check RoHS compliance status before integration. Validate physical footprint compatibility with existing PCB layouts.
Selection Notes
Select this component for applications requiring robust common mode noise rejection in high-current environments. The 20A rating suits power distribution lines. The through-hole design offers mechanical stability. Consider the 14.48mm x 10.03mm size for board space constraints. Evaluate thermal performance within the -40°C to 125°C range.
Part Context
This part belongs to Laird's EMI filtering product line. It is designed to suppress common mode noise in multi-line configurations. The ferrite core provides effective attenuation across a broad frequency spectrum. It complements other shielding and signal integrity solutions offered by the manufacturer.
Replacement Considerations
The CM5740Z171R-10 is an available alternative. It shares similar electrical characteristics but utilizes surface mount technology instead of through-hole mounting. Verify package compatibility before substitution.
