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CST306-3A - Triad Magnetics

Description: Current Transformers Current Sense Transformer, High Frequency, 3.75 mohm DC Resistance, 2000 ET V SEC REF 20kHz Typical Regulation, 200 (Count) Turns

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CST306-3A - Triad Magnetics PCB footprint - Other - Other - CST306-3A-1
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CST306-3A - Triad Magnetics  - 3D model - Other - CST306-3A-1
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CST306-3A Details

  • Manufacturer Part Number:

    CST306-3A

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • Manufacturer:

    Triad Magnetics

  • YTEOL:

    8

  • Application:

    SIGNAL

  • Approvals:

    UL

  • DC Unbalance Current-Max:

    25000 mA

  • ET Product-Min:

    2000 V-us

  • Height:

    23.368 mm

  • Length:

    17.653 mm

  • Load Resistance:

    3.75 Ω

  • Mounting Feature:

    THROUGH HOLE MOUNTED

  • Operating Frequency-Max:

    200 kHz

  • Operating Frequency-Min:

    10 kHz

  • Peak Primary Current:

    25 A

  • Primary Inductance:

    55000 µH

  • Primary Type:

    BAR PRIMARY

  • Secondary Inductance:

    55000 µH

  • Surface Mount:

    NO

  • Transformer Type:

    CURRENT SENSE TRANSFORMER

  • Width:

    9.906 mm

CST306-3A Frequently Asked Questions (FAQs)

  • The CST306-3A is designed to operate at frequencies between 50 kHz to 500 kHz, making it suitable for switch-mode power supplies, DC-DC converters, and other high-frequency applications.
  • To ensure proper thermal management, make sure to provide adequate airflow around the transformer, and consider using a heat sink or thermal interface material to dissipate heat. Operating the transformer within its specified temperature range (-40°C to 125°C) is also crucial.
  • The maximum allowable voltage imbalance between the primary and secondary windings is ±10%. Exceeding this limit may lead to reduced transformer performance, increased heat generation, or even premature failure.
  • Yes, the CST306-3A is suitable for use in push-pull converter topologies. Its symmetrical design and low leakage inductance make it an ideal choice for this type of application.
  • To determine the optimal turns ratio, consider the input and output voltage requirements, the desired power rating, and the transformer's physical constraints. You can use the transformer's datasheet and application notes as a starting point, and then experiment with different turns ratios to find the optimal configuration for your specific application.

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