All Questions
45
questions
0
votes
2
answers
61
views
Heatsink can cause a shortcircuit what kind of problem occurs?
I'm not sure what will happen in this kind of scenario I'll share the photo of two diodes and basic connections below.
These two diodes tab points are actually connecting same node because of tab is ...
- 27
2
votes
2
answers
664
views
Cooling IAUC90N10S5N062 MOSFET from the top
I design a sync - buck converter, and I need to cool down my top side and bottom side MOSFETs. For mechanical reasons, it is easier for me to place a heat sink on top of plastic housing of MOSFETs (...
- 21
1
vote
1
answer
137
views
How to choose a Peltier module and heat sink to cool a MOSFET down to -40°C? [closed]
I need to cool a MOSFET down to -40°C, but I really know nothing about thermal devices.
Could anyone teach me how to calculate the specific parameters that can help me choose the right Peltier module ...
- 11
1
vote
1
answer
460
views
Optimizing Peltier water cooler set up
Application
20 gallon aquarium cooler
Ambient temp: ~22C
Tank target temp: ~17C
Tank houses an axolotl and needs to be kept at cooler temperatures then currently in the basement.
Current Peltier Set ...
- 13
0
votes
0
answers
124
views
How to maximize heat dissipation on Peltier tiles
I am not an electrical engineer by any stretch of the imagination, but I do like to tinker.
I am building a liquid cooling ramp (also known as an ice luge) liquid gets poured into the top of the ...
2
votes
2
answers
445
views
Is it safe to connect metal body capacitors with a metal heatsink?
I have multiple metal case capacitors that I need to cool. The thermal tape I use is conductive (carbon based). Also larger heatsink on the left might touch capacitors on the left side. The question ...
0
votes
3
answers
547
views
Heatsink needed to keep my resistor from damaging due to heat
I am looking to find an appropriate range of heatsink selections to maintain my resistor from damage due to heat. I am using a flat plate (SS) resistor from ARCOL (TFBR900). It is rated for a 900 ...
- 3
0
votes
0
answers
88
views
Attach heat sink to cpu cooler in order to decrease CPU temperature
The best SMALL FACTOR cpu cooler that I have found so far is this one:
I am building a portable PC; therefore, the smaller the better. I have already checked the specifications and that cpu Noctua ...
- 557
0
votes
0
answers
112
views
Peltier cooling calculation - Help ! :)
I have gone through many of online blogs and websites for guidelines about selecting Peltiers but somehow I am still lost in the middle. I am still missing major numbers to be able to select which ...
- 1
0
votes
1
answer
728
views
Can I choose a heatsink based on its thermal design power (TDP) for cooling LED chips?
I am confused about TDP ratings and what they refer to actually.
The reason I am confused is because most modern CPUs and GPUs, although not ideal, are able to sustain very high temperatures (80 C or ...
- 426
0
votes
1
answer
407
views
Does anybody know a better way to cool a heatsink that is not a fan? [closed]
I am designing a portable distiller powered by the sun. I will be heating the water with a heating coil and then when the water evaporates I will be collecting the stem in a metal tube(not sure what ...
1
vote
3
answers
372
views
Calculating PCB temperature increase
so I have created a PCB with a lot of components on it, its a rather large PCB, roughly 18cm x 19 cm. A lot of the components' datasheets (things like Resistors, Switches, capacitors, relays, CAN ...
- 11
1
vote
3
answers
3k
views
Using a small heatsink with a high power LED (50W)
Description
I want to use a 50 Watt LED like this one (42mm*40mm)
The space to integrate this component is limited. I have only 55mm*55mm*30mm in total.
So the LED + Heatsink size must not be higher ...
- 115
1
vote
3
answers
2k
views
Why does a Peltier cooler heat up when cooled by ice?
On this post, the question presents a problem of a Peltier cooler heating up after operating for a while. The explanation was that the Peltier cooler is only able to maintain a fixed temperature ...
- 199
1
vote
3
answers
474
views
LT3083 heat dissipation
I was looking through a datasheet for the LT3083 regulator and in the typical applications sections this caught my eye:
Provided input/output ratings could easily lead to over 20W being dissipated on ...
- 13