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Product Detailed Parameters
- Description：CMC 373UH 3A 2LN TH
- Series：-
- Mfr：Traco Power
- Package：Strip
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：36mOhm
- Voltage Rating - DC：500V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.453" L x 0.453" W (11.50mm x 11.50mm)
- Height (Max)：0.346" (8.80mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：373 µH @ 100 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The TCK-026 is a common mode choke manufactured by Traco Power, designed for electromagnetic interference suppression in power supply circuits. It features an inductance of 373 µH with a tolerance of ±35% measured at 100 kHz and 20 mV. The component has a maximum DC resistance of 36 mΩ and supports a rated current of 3 A. It operates within a temperature range from -40°C to 105°C and is housed in a through-mount package.
Feature Summary
- Provides common mode noise suppression for AC/DC and DC/DC converter inputs
- Encapsulated construction ensures mechanical stability and environmental protection
- Supports high current ratings suitable for industrial power applications
Applications
- Input filtering for Traco Power DC/DC converters
- Electromagnetic compatibility (EMC) filtering in industrial equipment
- Noise suppression in medical device power supplies
Procurement Notes
Verify the specific datasheet version when sourcing, as manufacturing revisions may occur. Confirm that the required inductance value and current rating align with your circuit design specifications before procurement. Ensure the operating temperature range meets your application's thermal requirements.
Selection Notes
Select this component when designing input filters for Traco Power modules requiring common mode noise reduction. Consider the 3 A current rating and low DC resistance to minimize power loss. Verify compatibility with the target converter's input voltage and frequency characteristics.
Part Context
The TCK-026 is an accessory component often associated with Traco Power's DC/DC converter series, such as the THM 15WI family. It serves as a passive filter element to enhance system performance by reducing conducted emissions and improving immunity to external electrical disturbances.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult Traco Power technical support for alternative components if this part is unavailable.
FAQ
What is the inductance tolerance of the TCK-026?
The inductance tolerance is ±35%, measured at a frequency of 100 kHz and a test voltage of 20 mV.
What is the maximum DC resistance of the TCK-026?
The maximum DC resistance is 36 mΩ.
