Where to buy 3 pin power/video connector for board camera?

[todd2 0]

I bought one online but it turns out it's a 4-pin and won't fit.

 

I'm talking about a cable that has a little 3-pin connector on one end,

and a bnc (video) and female power connector on the other.

[bpzle 0]

http://www.mat-co.com/pricing1.htm

 

part # A-403-CD I believe is what your looking for.