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Product Detailed Parameters
- Description：CMC 175UH 1.76A 2LN TH
- Series：-
- Mfr：Traco Power
- Package：Bag
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1.76A
- DC Resistance (DCR) (Max)：34mOhm
- Voltage Rating - DC：500V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.335" L x 0.295" W (8.50mm x 7.50mm)
- Height (Max)：0.413" (10.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：175 µH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Traco Power TCK-118 is a two-line common mode choke designed for through-hole mounting. It features an inductance of 175 µH measured at 10 kHz and supports a maximum rated current of 1.76 A. The component has a maximum DC resistance (DCR) of 34 mΩ and a voltage rating of 500 VDC. Its physical dimensions are 8.50 mm in length, 7.50 mm in width, and 10.50 mm in height.
Feature Summary
- Provides common mode noise suppression for differential signal lines or power circuits
- Designed for reliable operation across a wide temperature range from -40°C to +105°C
- Constructed with a vertical package configuration suitable for standard PCB layouts
Applications
- Electromagnetic interference filtering for DC/DC converter inputs
- Signal integrity protection in industrial communication interfaces
- Noise reduction in medical electronic equipment power stages
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct pinout and tolerance specifications. Confirm that the selected variant meets the required insulation and safety standards for your target application environment before finalizing procurement.
Selection Notes
Select this component when a 175 µH inductance value is required for common mode noise attenuation in low-current applications up to 1.76 A. Ensure the available board space accommodates the specified vertical footprint and that the operating temperature range aligns with the system's thermal constraints.
Part Context
This component belongs to the Traco Power passive filter portfolio, specifically engineered to complement their DC/DC converter modules. It serves as a critical EMC mitigation element, helping systems achieve regulatory compliance by suppressing high-frequency common mode disturbances generated by switching power supplies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components by matching inductance, current rating, and physical dimensions.
