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Step 6Use it!
Ok, now the transistor / heatsink is ready for use.
I've been running mine for hours at about 2.75 watts, which is about 65% over the wattage specs for a 2N2222. So far, so good.
Note: While this certainly helps, the TO-92 package wasn't designed for use with a heatsink, so you cannot get the type of efficiency as you would from an integrated sink.
Maybe the right thing to do was to use a TO-220 package transistor, but this was fun and a learning experience, too.
I've been running mine for hours at about 2.75 watts, which is about 65% over the wattage specs for a 2N2222. So far, so good.
Note: While this certainly helps, the TO-92 package wasn't designed for use with a heatsink, so you cannot get the type of efficiency as you would from an integrated sink.
Maybe the right thing to do was to use a TO-220 package transistor, but this was fun and a learning experience, too.
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