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2 votes
2 answers
107 views

Is it possible to replace 50N06 chip? [closed]

Problem: I've got an LED light bar that has started blinking on half of it. I disassembled it and found an apparently damaged area on the PCB inside. Question: What is this chip? Would I have any hope ...
SuperStew's user avatar
  • 135
1 vote
1 answer
435 views

Can anyone help to identify this blown MOSFET? Top markings seem to include F50, "ON" in a circle, 3N and "RE4T" in a circle

I am trying to repair a PCB out of the welder. One of the problems I have found is a blown MOSFET. I have tried searching for a replacement with no luck, as I don't have a complete code. I have posted ...
Jacktu20's user avatar
3 votes
0 answers
362 views

Gate of a transistor and mosfet damaged

In my schematic, I found that the base of transistor Q7 (2n2222) was damaged. I tried to replace it with a BS170 MOSFET, and the same thing happened where the gate was damaged. The microcontroller ...
Juan Ignacio 's user avatar
4 votes
1 answer
657 views

MOSFET mechanism of failure: was it the heat?

I am debugging a failed MOSFET (IRF6662), and in the process of doing so, am having difficulty understanding fully the thermal behaviour of the FETs. Two FETs used for DC switching both failed short ...
alexandicity's user avatar