How to select a Heat Sink for cooling electronics / electrical devices

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This video looks at the basic principals when selecting a heat sink for electronics or electrical devices. The question How does a heat sink work? and what is the most effective configuration? are answered in this video.

The video is a lecture from the full electronics cooling course on Udemy.

The following discount code will allow you to complete the course for $10.

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I am planning on making a fanless gaming PC and I will end up building the case from scratch. The explanations provided helped me out greatly! especially the part where the width will dissipate more important than the height. Thank you!

quiltedquickerpicker

I have been searching for heat sink selection foe a week I found your video and it is best video for me it will lot help in my project

rdigvijay

I expected the video to cover topic on HOW to select heatsink for cooling however watched a video on what heatsink does. Would have been great to see explanation on thermal resistivity and calculations to select a HS.

Thanks anyway.

HenryYong

thank you for the information synergy files admin :)

Studywithstudent

Thank you for the lecture sir it helps me a lot and other fellow that would like to learn all about electronics.

justinmichaelbual

Thank for your information, very helpful

zanuarrosyidi

Great information packed lecture and well explained principles.
Regards Pravin Jugwanth. South Africa

pravinjugwanth

greetings, your lecture was MOST EDUCATIONAL, INFORMATIVE, MANY THANKS, and please
STAY HEALTHY !!! i like to hear your opinion on this: i have 2 pcb boards connected with each
other horizontally(i cannot connect them and have them placed in vertical position), so, if i
use the heatsinks with fans blowing into openspace... would this configuration help ???, thanks
in advance for your opinion,

unglaubichuberlieber

An application I'm designing, where the entire purpose of the electronic component is for heat dissipation (it's a thermoelectric cooler), also has a unique spacial limitation where the available space in which the heatsink can go is highly perpendicular to the cooler's junction point. Would the heatsink width over height recommendation be equally applicable if I were to submerge (with an obvious preclusion against liquid introduction to the thermoelectric cooler itself) the heatsink in water for greater heat dissipation over standard open air heat convection?

bbeck

what about the thickness below the fins? I guess there is an optimal thickness. just like the fin length. where more length doesn't really gain any cooling. I have had a question for a while. maybe you can answer it. wouldn't a small heat sink on the face of a MOSFET. like a TO-220 or similar package. help with cooling? like in some apps. where the fet is clamped to the sink. instead of with a screw on the tab. like if a 12mm by 12mm aluminum bar is used. for clamping. maybe with fins. wouldn't that help cool the MOSFETs? and what about liquid cooling? could it work without a pump. relying on the heat rising. but that would rely on it always being in the correct orientation I guess. have a good day. and thanks for your time and information. it makes me think!

jamest.

Can you give reference for natural convection design for power electronics

rohitandrews

Hi i need you help, i am installing a 36 amp 12v fan using Crydom SSR (HDC60D160H) PWM @ 128 Hz, the ambient temperature will be around 80c, do i need a heat sink?

Airman..

What about heatsinks of different alloys?

johnryan

So if I am designing a heat seak that has to be 40mmX40mmX25mm should my width be 40mm and my height of my fins also be 40mm or would it be more optimal to make my length of my fins 40mm and the height of the fins 25mm?

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