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Questions tagged [damage]

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32 questions with no upvoted or accepted answers
4 votes
0 answers
144 views

Can chips be sensitive to mechanical stress after an electrical incident?

Is it possible to electrically damage a microcontroller (or any chip) in such a way that it becomes very sensitive to mechanical stress? Some background: We are developing a board with 7 identical ...
Rocketmagnet's user avatar
  • 27.5k
3 votes
0 answers
361 views

I2C communication pin and/or device getting damaged

I have a Raspberry Pi communicating with some I2C client devices. Occasionally either the I2C client device fails or a Raspberry Pi pin (one of the I2C pins) is damaged. The only thing I can conceive ...
Scott's user avatar
  • 191
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
3 votes
1 answer
80 views

Shipping & Handling Electronics & Electro-mechanical parts

What are common packaging(Shipping & Handling) guidelines (specs/stds) for Electronics & Electro-mechanical parts? Currently, working on adding onto our current generic guidelines for ...
ee-jpe's user avatar
  • 31
2 votes
1 answer
102 views

Strange Resistor Situation

I am looking at a schematic for an RF sensing switch, and I notice that there are two resistors that are marked in the schematic as 18 Ω resistors. They are 2512 SMT types and are installed in ...
ChrisP's user avatar
  • 21
2 votes
0 answers
65 views

What check can Ι perform to verify that a load cell is operating properly?

About five years ago I was tasked to develop the software for a small custom made testing machine (everything is custom-made from frame, to the measuring system). Last year, I was volunteered to &...
NMech's user avatar
  • 121
1 vote
0 answers
386 views

Can an LCD be damaged by a low battery voltage?

I've got a digital alarm clock where the battery got really low, to the point where the display was hardly viewable. I assume that the voltage must have really dropped. I put some new batteries in it, ...
SpacePhoenix's user avatar
1 vote
1 answer
78 views

PCBA failure - white "fluff"

I have a PCBA that seems to have failed due to poor wiring (no water damage). The screw terminals are for 230V AC input and electrical load relay. What isn't clear to me is what exactly is the "...
Zygis's user avatar
  • 68
1 vote
0 answers
111 views

Water damage repair on solders

So this is the cicuit for a 1h0257j VolksWagen polo vacum pump for central lock. I got it for practice since it was replaced. The question the problematic part seems to be a burned soldering, it is ...
Anonymus51's user avatar
1 vote
0 answers
280 views

Can I bypass a trace from the diode to the solder point with wire?

I'm working on the button/power motherboard of an X-Box one's controller - the menu (start) button doesn't work. I think there might be damage to the trace when I followed the trace to the solder ...
Drew3121's user avatar
1 vote
0 answers
108 views

How could this capacitor have been damaged?

During testing, a capacitor was found to cause an intermittent failure - going short circuit when heated. The capacitor style is a through hole, radial lead, CECC rated 68nF MLCC. Our supplier makes ...
MIL-SPEC's user avatar
  • 1,108
1 vote
0 answers
146 views

Help identifying IC damaged by wrong voltage

I accidentally fried an IC when switching out a power supply; sent 12V instead of 5V. I've been trying to find some information on this drive, a Corsair M500 240GB, (CT240M500SSD1) - maybe a datasheet,...
tripleblep's user avatar
1 vote
0 answers
117 views

Damaged Switching Regulator

I am working on turning on a board of mine on which I am attempting to use a TI TPS563208 switching regulator. I believe I have followed the typical application in implementing this regulator in my ...
Wildwoodashes's user avatar
0 votes
1 answer
89 views

General guidelines to avoid damaging RF components

So, I am a young researcher in physics and use RF components like splitters, mixers, couplers, amplifiers, etc. These are not high voltage amplitudes at all - at most a few volts - often hundreds of ...
qmstatmech's user avatar
0 votes
0 answers
139 views

Fluke 393 checked resistance on a live circuit wonder if I damaged my meter

I have a fluke-393 multimeter and I was testing voltage on a 480V circuit didn’t realize I was on resistance and when I put my probes on the circuit there was a small arc, quickly taking my probes off ...
Grant's user avatar
  • 1

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