|
SMD Pad Pitch vs. Surface Finish |
| Pitch |
Pad
Size |
Surface Finish
Org Coat |
Surface Finish
Tin/Solder/Gold |
Solder Web Mask
(LPI) |
Electrical
Test Method |
| 20
mil |
10/10
12/8 |
Yes
Yes |
Yes
Yes |
Yes
Yes |
Moving Probe
Moving Probe |
| 12
mil |
6/6
7/5 |
Yes
Yes |
Yes
Yes |
Yes
Yes |
Moving Probe
Moving Probe |
| 10
mil |
5/5
6/4 |
Yes
Yes |
Yes
Yes |
Yes
Yes |
Moving Probe
Moving Probe |
| 8
mil |
4/4
5/3 |
Yes
Yes |
Yes
Yes |
Yes
Yes |
Moving Probe
Moving Probe |
| .005 |
5/3 |
Yes |
Yes |
Yes |
Moving Probe |