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albert wrote: Ok! I just tried something..I bent the legs of the MOSFET and it started working! So it looks like this component is not great. I will order a new one from a local webshop and try if that works. Thanks for your help
judge wrote: That could mean it is not well soldered in, so you should try touching up the solder for the MOSFET. If you still want to replace it, you would need to replace it with the exact same model - each model is very different.
Ty_Eeberfest wrote: Albert, is there any possibility that the metal tab of the MOSFET was touching something metal (conductive)? The metal tab is not isolated - it is internally connected to one of the pins - so if the tab touches something conductive it can cause trouble. In your pix it looks like it's probably okay but you should check it anyway.
Ty_Eeberfest wrote: If you do end up replacing it use great care when removing the old one! It's very easy to damage the board when de-soldering. I suggest cutting off the leads and then you can de-solder and remove the stubs one at a time. Much easier that way than trying to do all 3 in one go.