Tagged Questions
2
votes
3answers
374 views
What is the advantage of using many low-farad capacitors instead of a few high-farad capacitors, when trying to maximize current? [closed]
I am working on a high current application, and I am wondering, which maximizes current (over a short period of time), using a bank of small caps, or using fewer large caps?
1
vote
1answer
140 views
Current rise time. How fast is too fast?
I'm trying to create a suitable response to Pumping a few Amps for a 100usec. The OP wants to create a 5A current pulse for 100us. They want to have a current rise time of 1us at the start of the ...
3
votes
3answers
284 views
Why doesn't a high current transformer get damaged when shorted?
In this video a high-current transformer secondary coil is shorted with numerous thick pieces of metal - pieces of rather thick wire and a knife blade. All those pieces either get red-hot or just ...
11
votes
4answers
2k views
How to carry high current on PCB
I need to pass high current on some part of my circuit. I used an online PCB track width calculator to see that required track width is about 5mm and minimum clearance is 1mm, which makes it about 7mm ...
12
votes
4answers
2k views
High PCB copper thickness: What are the pitfalls?
We need to carry high currents on a PCB (~30Amps sustained), so we are likely to order our PCBs with high copper thickness. So far we've only used 35 microns in our designs, so 'high thickness' for us ...
