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Product Detailed Parameters
- Description：CMC 305UH 2LN TH
- Series：-
- Mfr：Traco Power
- Package：Tube
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：20mOhm
- Voltage Rating - DC：500V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.630" L x 0.630" W (16.00mm x 16.00mm)
- Height (Max)：0.591" (15.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：305 µH @ 100 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The TCK-073 is a common mode choke manufactured by Traco Power, designed for through-hole mounting. It features an inductance of 305 µH with a tolerance of ±35% at a test frequency of 100 kHz. The component supports a maximum DC current of 11.3 A and has a maximum DC resistance of 20 mΩ. Rated voltage is 500 V DC. Operating temperature ranges from -40°C to +105°C. Physical dimensions are 16 mm x 16 mm x 15 mm.
Feature Summary
- Provides common mode noise filtering for two-line circuits
- Supports high current handling up to 11.3 A
- Designed for horizontal through-hole PCB installation
Applications
- Electromagnetic interference suppression in power supply inputs
- Signal integrity protection in industrial control systems
- Noise reduction in automotive electronic modules
Procurement Notes
Verify the specific datasheet version before integration, as specifications may be updated. Confirm that the through-hole footprint matches the target PCB layout. Ensure the operating environment stays within the -40°C to +105°C range to maintain performance. Check RoHS compliance status if required by regional regulations. Validate that the 11.3 A current rating meets the application's peak load requirements.
Selection Notes
Select this component when a robust common mode choke is needed for high-current applications. The 305 µH inductance offers effective filtering at standard switching frequencies. The unshielded design requires careful PCB placement to minimize magnetic coupling. Consider the 20 mΩ DCR for thermal management in dense assemblies. Verify compatibility with automated insertion equipment due to the through-hole package style.
Part Context
This part belongs to the TCK series of common mode chokes from Traco Power. The series includes variants like TCK-075 and TCK-076, which share similar form factors but differ in electrical characteristics. These components are categorized under inductors, chokes, and coils. They are typically used in conjunction with DC/DC converters and other power electronics to ensure EMC compliance.
Replacement Considerations
Direct substitutes include TCK-075 and TCK-076 from the same manufacturer family. Verify inductance and current ratings match before swapping. Footprint compatibility must be confirmed for all alternatives.
