Why not changing for a plastic case??? Probably because the plastic case will never sink (dissipate ... i don't know the translation... bah anyway) any heat. So useless in this case.
There's still some insulator kit for most package to avoid that in case you really want to screw the regulator on the metal casing. Most local supplier should have them in stock for few cents.
As i remind, LM317P shoul be a FP(FullPack) casing. No need for insulator. Is it still available??? i don't know, go... search 
Last edited by mister_e; - 21st April 2006 at 03:45.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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