All Questions
4
questions
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 ...
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 ...
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 ...
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 ...