28th-Nov-23, 04:19 PM
To keep this thread tightly on track - next I will share some soldering techniqueswhich can be used remove and replace the faulty MOSFETs without damaging the underlying copper pads and tracks. This is not difficult but it does require the correct tools and some care.
All the above MOSFET use a package type known as SOT-23.
As proposed by Woodcote I’ll start with a photo of the workbench set-up and required tools. These include a 18-25W soldering iron , a tip cleaning pad and a pair of electronics grade tweezers. Also we will need some electronics grade lead-tin solder. Lead free is better for the environment but still a bit tricky for this type of rework.
Photos in the next few days :)
c
All the above MOSFET use a package type known as SOT-23.
As proposed by Woodcote I’ll start with a photo of the workbench set-up and required tools. These include a 18-25W soldering iron , a tip cleaning pad and a pair of electronics grade tweezers. Also we will need some electronics grade lead-tin solder. Lead free is better for the environment but still a bit tricky for this type of rework.
Photos in the next few days :)
c
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