Interesting article in the last EDN

[FrankDIY]

Passive circuit limits inrush current.

http://www.e-insite.net/ednmag/index.asp?layout=article&articleId=CA244147&pubdate=09/26/2002

 

[peranders]

Note that this article don't work together with fat toroids. To those you must have a series resistor with the primary. This resistor is then shortened after a second.