Re: 2N2222A getting super hot

Hasan Murtaza
 

I have a FLIR thermal camera that comes as an iPhone attachment. FLIR ONE for iOS Personal Thermal Imager
 
https://store.apple.com/ca/xc/product/HL5K2VC/A


It works well, and I used it to diagnose a faulty chip on my board at our latest PARC (peel radio club) buildathon, by comparing a working board with the nonworking one.

if you want to try something different, I wonder if you could get some thermochroic paint and dab some on the transistor so it glows red above a certain temperature. 

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