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3answers
103 views

Interpreting results of a thermal camera - what should I expect to be hot?

I'm not a trained electrician, but I got my hands on a thermal camera to play with. Its existing documentation didn't help me quite understand what's going on when I see a hotspot. What components can ...
2
votes
2answers
112 views

install heatsink on BJT

I am facing the problem with the heat of transistor disturb sensor reading. Here the link refer problem I am using BC548 transistor. It is a bit hot when operating because it disipates power around ...
4
votes
1answer
218 views

IC product lifetime as function of junction temperature

If an IC is rated for an absolute maximum junction temperature of say 170 Celsius, obviously it is not recommended to operate there - but how drastically is product lifetime impacted if we are close, ...
0
votes
1answer
58 views

LM 56 temperature trip point resistor selection

I'm having a hard time grasping on how to calculate the values for resistors R1 R2 and R3 in the typical application diagram pg.2 in the data sheet. Could some one break down the calculation steps ...
15
votes
5answers
2k views

SMD IC mounted upside-down inside a drill hole for extreme low-profile requirements

I don't know if the title is descriptive enough, but I came across this PCB and could stop to wonder about its brilliant design. It is an aftermarket trigger controller for an airsoft gun that works ...
0
votes
0answers
57 views

Uneven chip temperature

When injecting a uniform power dissipation in a chip of IGBT power electronics modules by finite element method (FEM) in COMSOL (a good software for thermal analysis), a non-uniform temperature ...
0
votes
3answers
156 views

Could you double the speed of a GPU by doing half the work?

Is the thermal impedance from a GPU's wafer to the heatsink low enough that you could get close to doubling the clock speed if you halved the duty-cycle (render 50% of the full-TDP framerate). An ...
3
votes
2answers
464 views

How to decide the Temperature range of an IC?

I am using a MAX3241E ic in a device that has to run 24x7 out in the open. I am facing a problem deciding the temperature range of the the IC. Since it is out in the open, the ic has to withstand the ...
0
votes
2answers
50 views

How to find out the heated IC's or CMOS in a circuit automatically.

How to find out the heated IC's or CMOS in a circuit automatically. Because its very hard to find the heated IC's by touching each and everything. ca anyone suggest me any method to find it out?
3
votes
1answer
365 views

LM3876 Heatsink

Could someone point me to a suitable heatsink for an LM3876 amplifier? Or, even better, a heatsink that I could attach two chips to? Perusing through Mouser's catalog was a bit overwhelming. ...