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hopto asked

Victron Multi 500VA the power supply exploded

Due to a power surge, the IC1 microcircuit exploded. Please help identify the name of this microcircuit.

2

1

repair
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Alexandra avatar image Alexandra ♦ commented ·
If that is damaged there is probably something else damaged. Any reason why you are not using a repair service?
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wkirby answered ·

It's probably a FSEZ1317. You notice it has 7 pins.

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sharpener avatar image sharpener commented ·
How many pins did it have originally?


There was once an April Fool advertisment for Sprague ICs which showed a graph of Remaining # of pins vs applied Vcc.


Also a spoof ad for their capacitors claiming they had invented a new dielectric with negative permittivity, this would give RC circuits with negative time constants and so negative delay. Hence could be used in applications to predict the future(!).
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wkirby avatar image wkirby ♦♦ sharpener commented ·

FSEZ1317 is a 7 pin device (pin 6 is omitted).

The PCB only has 7 holes for this device footprint.
https://www.onsemi.com/download/data-sheet/pdf/fsez1317-d.pdf

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