 Dsc03567
Views: 3
Diode shows signs of becoming extra-crispy. |  Dsc03565
Views: 7
Heat sink was found melted to exterior plastic case, burnt plastic smell.
Suspect breaker tripped after heat sink melted insulation off internal transformer wires. |  Apc350 compare 2
Views: 5
Same diode, always extra-crispy |  Apc350 compare 1
Views: 5
Not all are made identical?
Top PCB missing part and heat sink.
Back-UPS ES 350 |  Apc350 b 2
Views: 3
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