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B78419A2271A003 - TDK

Description: Current Sense Transformers, Sensed Current=30A max, TR=1:180

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B78419A2271A003 - TDK PCB footprint - Other - Other - B78419A-2
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B78419A2271A003 - TDK  - 3D model - Other - B78419A-2
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B78419A2271A003 Details

  • Manufacturer Part Number:

    B78419A2271A003

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    26 Weeks

  • Manufacturer:

    TDK Corporation

  • YTEOL:

    9

  • Approvals:

    AEC-Q200; IEC; CUL; UL

  • Height:

    13.95 mm

  • Length:

    12.6 mm

  • Load Resistance:

    7.4 Ω

  • Mounting Feature:

    SURFACE MOUNT

  • Operating Frequency-Max:

    250 kHz

  • Operating Frequency-Min:

    50 kHz

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Packing Method:

    TR, BLISTER, 13 INCH

  • Peak Primary Current:

    30 A

  • Primary Type:

    WOUND PRIMARY

  • Secondary Inductance:

    25000 µH

  • Surface Mount:

    YES

  • Transformer Type:

    CURRENT SENSE TRANSFORMER

  • Turns Ratio (Np:Ns):

    1:180

  • Width:

    11.3 mm

B78419A2271A003 Frequently Asked Questions (FAQs)

  • TDK provides a recommended PCB layout and land pattern in their application notes or design guides. It's essential to follow these guidelines to ensure optimal performance, minimize parasitic effects, and prevent thermal issues.
  • The B78419A2271A003 is designed to minimize high-frequency noise and EMI. TDK's proprietary magnetic material and shielded construction help to reduce radiation and absorption of electromagnetic interference. However, additional filtering or shielding may be necessary depending on the specific application and regulatory requirements.
  • While the datasheet specifies a temperature range, it's essential to consider the derating curves and thermal resistance to ensure the inductor operates within a safe temperature range. TDK provides thermal derating curves and guidelines for temperature-dependent characteristics in their documentation.
  • The B78419A2271A003 is designed to meet standard reliability requirements, but it may not be suitable for extreme vibration or harsh environments. TDK offers specialized products with enhanced mechanical robustness and environmental resistance. Consult with TDK or a qualified engineer to determine the best solution for your specific application.
  • To select the correct inductor, consider factors such as operating frequency, current rating, inductance value, DC resistance, and physical size. TDK provides selection guides, simulation tools, and application notes to help engineers choose the optimal inductor for their design.

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B78419A2271A003 Overview

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About TDK

TDK-Lambda is a global supplier of power supplies and related products. It is a subsidiary of TDK Corporation, a leading electronics company based in Japan. TDK-Lambda specializes in designing and manufacturing a wide range of AC-DC power supplies, DC-DC converters, programmable power supplies, and EMC/EMI filters for various industries and applications.

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