[HomeBrew] LM317T 3 terminal regulator tab isolated?

[John Marshall]

Ray,

My spec sheet from OnSemi < http://www.onsemi.com/pub_link/Collateral/LM317-D.PDF > says "Heatsink surface connected to Pin 2" (Vout). Whose specs do you have?

John, KU4AF
Pittsboro, NC


On Jan 29, 2014, at 11:39 AM, Ray, W4BYG wrote:

> ** Please do NOT cross-post messages when posting to HOMEBREW **
> 
> In scanning thru the 40 pages of specs on the LM317T, I am unable to discern
> if the mounting tab is isolated from the terminals.  In other words, can the
> tab be bolted directly to the chassis for heat sinking, without shorting out
> one of the terminals?
> 
> Anyone know one way or the other?
> 
> Your attention is appreciated.
> 
> Ray, W4BYG