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bsauze
Visitor II
September 7, 2023
Question

Do UFQFPN packages of STM32 devices (e.g. STM32G0C1KEU6) feature wettable flanks?

  • September 7, 2023
  • 1 reply
  • 1685 views

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    This topic has been closed for replies.

    1 reply

    Christian N
    Christian N
    ST Employee
    September 8, 2023

    Hello bsauze,

    Your inquiry has been escalated to the online support center for direct support.  

    Should anyone else have a question on device package information in the future, please submit your support requests to https://my.st.com/ols

    Kind Regards,
    Christian

    ST Support

    Tesla DeLorean
    Tesla DeLorean
    Guru
    September 8, 2023

    See also https://community.st.com/t5/stm32-mcus-products/do-some-qfn-stm32-come-with-side-wettable-flanks/td-p/405068

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    raptorhal2
    raptorhal2
    Lead
    September 8, 2023

    Perhaps there have been changes since then.

    I created a 48 pin UFQFPN PCB for L5xx with pads extended a bit outside the package, then hand soldered the flanks with a 1/8" chisel tip and liquid flux. That worked well as a prototype. For qual testing and  production robots, solder paste and reflow ovens are probably the method of choice.

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