7805 bolted to ground plate?

jeroen · Post by **jeroen** » Mon Jan 29, 2007 4:21 pm

I'm having heat issues with my 7805. Is it ok if I bolt it down to my snes ground plate? (original snes)

Retromaster · Post by **Retromaster** » Mon Jan 29, 2007 5:54 pm

you probably can. anything other than it's own metal that is larger should work. or, if you try this, you can put silicon heat sink lubricant to sink excess heat

and the back plate of regulators usually don't have electricl interface.

Rekarp · Post by **Rekarp** » Mon Jan 29, 2007 6:39 pm

Yes you can. Thats how your supposed to mount the 7805 in Ben's NESp design.

superdeformed · Post by **superdeformed** » Mon Jan 29, 2007 11:36 pm

Retromaster wrote:you probably can. anything other than it's own metal that is larger should work. or, if you try this, you can put silicon heat sink lubricant to sink excess heat and the back plate of regulators usually don't have electricl interface.

The tab is almost always an electrical connection, unless of course it is completely sealed (no metal showing). For the 78XX (and many other) series regulators, it is connected to ground.

For the SNES, since the ground plate is presumably connected to the DC power ground (I've never actually done anything with an SNES, but it would be a bit odd if it wasn't), then it shouldn't be a problem mounting the regulator on it.

Retromaster · Post by **Retromaster** » Tue Jan 30, 2007 5:20 pm

OK then, diregard my stupid posts...I guess I just haven't built much....
It should work, so go ahead and try it. If it fries your SNES, you can sue us.