• EEVblog #659 – Medical Plugpack Teardown

    What’s inside an IEC60601-1 medical class 5V mains DC-DC plugpack?
    What is the difference between PCB clearance and creepage?
    A German FRIWO 5V FW7555M/05 brand medical grade isolation unit vs a cheap Wun Hung Lo consumer brand.
    Also a comparative look at transformer construction.

    Datasheets & Links:
    Rubycon Caps
    CD 263 Caps.
    Vishay Optocouplers

    Forum HERE

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