No doubt you've already bought the headers, but have you looked into Teka
products with solder bearing leads? I used them for PC104 connectors (when I
had exactly the same problem as you). You reflow them along with your surface
mount, no hand soldering required! Go to:

http://www.tekais.com/through_hole.htm

-Steve Gregory-


> Greetings,
>
> I'm trying to locate sources for solder pre-forms.  We are installing a
> special 4 row header with long pins and cannot get a soldering iron into
> the middle rows of pins.
>
> Pin spacing is 2mm.  Pins are .5 x .5mm  Pads are 1.65mm OD and .81mm
> ID.
>
> Any suggestions on sources to get solder doughnuts??
>
> Thanks
>
> Tom Parkinson
> WinTronics, Inc.
>