[sdiy] Does Source = Drain???

[Antti Huovilainen]

On Sun, 13 Jun 2010, ASSI wrote:

> If it's a diffused JFET and they aren't playing any games with 
> connecting something else to any pin, source and drain should be 
> interchangeable with absolutely no differences.  This is also true of 
> small signal MOSFET, however you will usually find that the source has 
> been tied to the body, thus orienting the device.  Almost all power

Are there some common MOSFETs that are truly symmetrical?
Those would be useful as switches since they lack the parasitic diode of 
JFETs.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova