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Product Detailed Parameters
- Description：CMC 55.6UH 1A 4LN SMD
- Series：-
- Mfr：Traco Power
- Package：Strip
- Filter Type：-
- Number of Lines：4
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：30mOhm
- Voltage Rating - DC：500V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.256" L x 0.236" W (6.50mm x 6.00mm)
- Height (Max)：0.177" (4.50mm)
- Package / Case：Horizontal, 4 Gull Wing
- Inductance @ Frequency：55.6 µH @ 100 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Traco Power TCK-162 is a surface-mount common mode choke designed for noise suppression in electronic circuits. It features dual windings with an inductance of 55.6 µH ±25% at 100 kHz and 1 V. The component supports a maximum rated current of 1 A and a rated voltage of 500 VDC. Its DC resistance is limited to 30 mΩ max. The device operates within a temperature range of -40°C to +125°C and utilizes a compact SMD footprint measuring 6.5 x 6.0 x 4.5 mm.
Feature Summary
- Dual-winding construction for effective common mode noise attenuation
- High insulation capability with 500 VDC rated voltage
- Compact surface-mount design suitable for space-constrained PCB layouts
Applications
- Noise suppression in switch-mode power supplies
- Signal integrity protection in industrial control systems
- EMI filtering in automotive electronics
Procurement Notes
Verify the specific datasheet version when ordering, as manufacturer specifications may undergo updates. Confirm that the required operating temperature range aligns with your application's environmental conditions. Ensure compatibility with standard reflow soldering profiles for SMD components. Cross-reference the impedance and inductance values against your circuit design requirements before finalizing procurement decisions.
Selection Notes
Select this component when high-frequency noise suppression is critical in low-current applications up to 1 A. The 55.6 µH inductance provides effective filtering for common mode interference. Consider the 30 mΩ DC resistance impact on power loss. The wide temperature range ensures reliability in harsh environments. Verify mechanical fit within the designated PCB area due to the specific package dimensions.
Part Context
Traco Power manufactures passive components alongside their active power conversion solutions. The TCK-162 belongs to their line of electromagnetic interference filters. These components complement their DC/DC converters by ensuring clean power delivery. The product adheres to RoHS compliance standards. Manufacturing processes include rigorous quality testing to ensure consistency across production batches.
Replacement Considerations
No public confirmed substitute part numbers are available for the TCK-162. Engineers must evaluate alternative common mode chokes based on matching inductance, current rating, and physical dimensions. Compatibility checks should focus on impedance characteristics and thermal performance limits.
