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| General Electronics Chat This forum is for general chat about electronics, eg: Dont know what a part does? Dont know how to read a circuit? Want to get an opinion? |
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20th May 2008, 04:42 AM
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TO-220 Packages and their various flavors
Does anyone have a good resource for TO-220 package definitions, specifically with respect to the various flavors denoted by AB, F etc.
The reason I ask it that, from my perusal of various datasheets, it seems that the tab for a plain old TO-220 is electrically isolated from the package leads themselves, while for the TO-220AB, the tab can be part of the electrical package (for example it could be a replicate drain on a MOSFET). I am trying to figure out if I can "bolt" a number of TO-220s (each a different component in a circuit) to a common heatsink without having to get the "special" hardware (insulators etc). Thanks in advance |
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20th May 2008, 01:00 PM
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Most likely the tab on a TO-220 is ‘hot’ electrically. You need to check the data sheet for each transistor you use. There is an insulated TO-220. see JPG
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