Questions tagged [aluminium]
23
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Difficulty in gaining Class II CE certification for an aluminium single-sided PCB
We have a product that consists of an aluminium single-sided PCB with micro-controller and LEDs soldered to the copper side. The PCBA is shaped so that it can be bent to fit over the scalp of the user ...
2
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1
answer
74
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Aluminum PCB PTH conducts across the entire board
I've designed plenty of PCBs and had them manufactured using FR-4, but I had never worked with aluminum PCBs and I had been wanting to try it out. So in my latest order of some FR-4 boards, I added in ...
0
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1
answer
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Altium Layer Stackup for Aluminium (IMS) PCB
I am needed to do a single layer PCB in Altium. I have no routing on the bottom layer but in the layer stack manager, I am not able to remove the bottom layer copper. Also, I can't choose or find any ...
4
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1
answer
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Why can domestic induction stoves heat aluminium tape, but not aluminium pans?
Domestic induction stoves can't be used with thick aluminium or copper pans, but when I try to heat aluminium tape it does get hot.
Can someone explain why this is the case?
0
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Can you replace ceramic or tantalum capacitors with aluminum electrolytic capacitors?
I have a question about the hookup for my 12VDC to 5VDC step down module - the K7805JT-500R3.
It states in the datasheet that ceramic capacitors are what can be used but it also states that tantalum ...
9
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6
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Reason not to use aluminium wires, other than higher resistance
So aluminium is 3.3 times lighter than copper (8.96 vs 2.70 g/cm3). And its resistance is only 55% bigger. So in weight/resistance ratio it is actually better than copper. Also it is cheaper.
Why ...
0
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1
answer
151
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Aluminium PCB - Bottom Entry Connector
Is there something like this connector that is easier to buy? I need to find something that lets me connect an aluminium PCB to an FR4 PCB with part of the enclosure between them. The part of this ...
1
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3
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307
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How to apply thermal paste on a large surface (between IMS PCB and heatsink)?
I've got a project that features an array of ultraviolet LEDs on an aluminium board.
This board shall be screwed to a heatsink.
My problem is that I'd like to apply thermal paste to improve the ...
0
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1
answer
300
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Do power inductors having an aluminum winding (or a light weight winding) exist? [closed]
I need the lightest power inductors possible. Do inductors having aluminum windings (or any light-weight winding) exist?
I would also consider hollow-core wiring to be used at very high frequencies, ...
5
votes
2
answers
658
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Do EMC test houses typically accept copper foil in EUT?
Working with small volume product and tight schedule it might become an option to pass EMI limits by use of copper/aluminium foil on inside of enclosure. What is your experience with the labs on this ...
3
votes
3
answers
368
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Can I use a tantalum capacitor instead of an aluminium capacitor with an AP1509-50SG? [closed]
I am planning to use an AP1509-50SG converter in one of my projects. There is only a very small area to place components. Aluminum capacitors rated 300uF/16VDC or 330uF/25VDC have a large footprint ...
4
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2
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Why do some laboratories use a multimeter on top of an aluminum plate connected to ground?
I was reading a laboratory to study some backgrounds about common mode rejection (CMR), when I saw this image:
Does the aluminum plate connected to ground under the multimeter increase the reading ...
2
votes
1
answer
119
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Drawbacks and disadvantages of insulated metal substrate PCBs
Insulated metal substrate (IMS) PCBs, with variants and names including aluminium base, metal clad printed circuit board (MCPCB) and thermally conductive PCBs have some sought-after features in terms ...
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Efficiency of extraction of aluminum from aluminum hydroxide
This is regarding aluminum air batteries
Since they are rechargeable, in order to "recharge" the batteries we need reswap the aluminium cathode with aluminum hydroxide which is formed.
That ...
1
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2
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How to design DC bus bars for batteries?
What factors should we consider for designing bus bars for cell terminals? Suppose I have LFP battery pack made up of 9 cells in series each having maximum of 3C discharge rate and a nominal capacity ...