How to recover a Laptop Battery Fuse 3 pins type
sir why u shape plz explain why not just ---
2 and 3
means like minus
U-shaped form located above main MOSFETs will have more chances to be melted in case of overcurrent or short-circuit events in comparison with straightforward form, thus provide more protection to the pack.
Alternative method for 3 legs fuse restoration that i use every time.
Unsolder the fuse from pcb.
Flip it and remove the cap.
The original fuse looks like this
When blown looks like this.
Restore the blown fuse by a drop of solder. I always use low melt solder, if you don't have it use regular 60/40.
If the chip decides to blow the fuse again there will be absolutely no problem.
Here is another type of 3 legs fuse but with a different configuration.
It's used mostly on Lenovo Sanyo but can be found also on some other PCB.
Pay attention to the power contact legs.
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