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SM91078L-E - Bourns

Description: LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105ºC

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PCB Footprints
SM91078L-E - Bourns PCB footprint - Other - Other - SM91078L-E-2
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3D Models
SM91078L-E - Bourns  - 3D model - Other - SM91078L-E-2
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SM91078L-E Details

  • Manufacturer Part Number:

    SM91078L-E

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    20 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    7.8

  • Application:

    100 BASE-TX; ETHERNET; LAN

  • Height:

    9.6 mm

  • Isolation Voltage:

    4000 V

  • JESD-609 Code:

    e3

  • Length:

    30.6 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Functions:

    2

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Packing Method:

    TR, 13 INCH

  • Primary Inductance:

    350 µH

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin (Sn)

  • Transformer Type:

    DATACOM TRANSFORMER

  • Turns Ratio (Np:Ns):

    1:1

  • Width:

    16 mm

SM91078L-E Frequently Asked Questions (FAQs)

  • Bourns provides a recommended PCB layout in their application note AN16, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The inductor value selection depends on the input voltage, output voltage, and output current requirements. Bourns provides an inductor selection guide in their datasheet, which includes a formula to calculate the recommended inductor value based on the specific application requirements.
  • The SM91078L-E has an operating temperature range of -40°C to +125°C, making it suitable for a wide range of industrial and automotive applications.
  • Yes, the SM91078L-E is compatible with lead-free soldering processes and meets the requirements of the RoHS (Restriction of Hazardous Substances) directive.
  • The typical efficiency of the SM91078L-E is around 95% to 97%, depending on the input voltage, output voltage, and output current. Bourns provides efficiency curves in their datasheet to help engineers estimate the efficiency for their specific application.

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SM91078L-E Overview

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