All Questions
28
questions
7
votes
2
answers
1k
views
Can air itself be theoretically considered as a (very poor) wireless ESD grounding strap?
There are many kinds of questionable ESD wriststraps available which
claim to provide ESD protection "wirelessly". When asked about how
exactly they work, they cite dubious claims about ...
- 7,218
1
vote
1
answer
75
views
ESD diode current specification
I'm using this ESD diode for an Ethernet application.
The clamping voltages and the working voltage values are satisfied.
But I am not sure about the current values.
The minimum peak current is given ...
user220456
2
votes
4
answers
417
views
Sustainable packaging for electronics and PCBs [closed]
As an electronics engineer, I design and have lots of PCBs contract manufactured. Every supplier I have ever used will always use packaging materials like PE foam pouches and bubble wrap. Some use the ...
- 121
1
vote
3
answers
659
views
Grounding for working with electrostatic-sensitive devices
I'm planning one of my first electronics projects beyond basic repair soldering (it's a small pre-amplifier for a contact microphone). So I've got some JFETs and other pieces and would like to put ...
- 15
-2
votes
1
answer
79
views
ESD damage to old system [closed]
I was doing a capacitor check on an old xbox motherboard. I always knew that you could damage a motherboard by touch but at the time either my mindset was off or overconfident in its supposed rarity.
...
- 25
0
votes
0
answers
1k
views
Protect ESP32 GPIO from ESD events, resets on inputs!
I'm working on a product that uses the ESP32 WROOM module. There are 6 exposed pins that user can touch, shown by the header attached. There is a piece of plastic that slides across a plastic ...
0
votes
3
answers
476
views
Static shielding bags for PCB protection
As I understand it, metallic static shielding bags act as a Faraday Cage once sealed which protects the contents against external electrostatic discharges. They also prevent triboelectric charge ...
- 1
1
vote
2
answers
1k
views
In an isolation transformer, to what is the electrostatic shield winding attached?
In the following diagram of an isolation transformer,
found on Wikipedia here for the diagram and also here for the definition of Isolation Transformer, there is a special winding in between the ...
- 2,892
0
votes
1
answer
102
views
Is a loose psu plugged into a three prong outlet but off a good thing to clip to an esd mat aligator clip?
I bought an anti static mat, ifixit portable, so I wear the wrist strap, clip it to the mat, the ground wire that came with the mat clips the the mat the other aligator clip clips to the grill of a ...
- 79
2
votes
0
answers
313
views
How real an issue is static for hobbyists (Arduino etc.) for parts storage?
The parts I buy come in all kinds of packaging:
Here we have a USB charger in a basic anti-static bag, Kapton tape and MOSFETs in ESD bags and a small development board in a plain plastic bag.
I'm ...
- 675
2
votes
0
answers
786
views
ESD Capacitor Calculation, 330Ohm Series Resistor and ESD Clamp Voltage
I have a input power filter circuit.
It has ESD Protection capacitors which help to protect the downstream circuit from ESD Pulses.
ESD Capacitors Specifications :
C0001, C0002, C0003, C0004 = 47nF, ...
user220456
3
votes
2
answers
129
views
Can static be discharged when removing sensitive electronics from a static shielding bag while you and the bag are at the same voltage?
Suppose you have a static/ESD shielding grey bag housing electronics sensitive to ESD. I believe that this type of bag has a static dissipative surface and a conductor on the inside serving as a ...
- 31
0
votes
1
answer
1k
views
Would the static charge from a silicone work mat be dissipated by an ESD mat if placed on top of it?
I know the proper rubber mats that are both ESD safe and heat resistant are quite expensive, and definitely out of the price range of a beginner hobbyist like me. I have also read that the silicone ...
- 61
0
votes
0
answers
196
views
Is it Possible to Static Test With a Barbecue Lighter?
I'm working on an issue with a product where it freezes due to static shocks.
I'm trying to recreate the issue and harden the product, but I don't have a real static testing wand like the test labs ...
- 7,119
1
vote
2
answers
2k
views
Are ESD safe tools necessary with proper setup?
My current setup is an ESD mat and ESD wristband both connected via alligator clips to unpainted screws that are screwed into a secondary PC power supply (not mounted in a PC case.) This power supply ...
- 31