3

Recommendation on PCB assembly

3.1

Stencil opening design

1.

General recommendation on stencil opening design

a.

Stencil opening dimensions: L (Length), W (Width), T (Thickness).

Figure 12. Stencil opening recommendation

L

T

W

b.

General design rule

◦

Stencil thickness (T) = 75 ~ 125 μm

◦

WT≥1.5

◦

L × W

2TL +W ≥0.66

1.

Reference design

a.

Stencil opening thickness: 100 µm

b.

Stencil opening for leads: Opening to footprint ratio is 90%

Figure 13. Recommended stencil window position in mm

1.47mm

0.47mm

0.52mm

0.43mm

0.52mm

0.015mm

0.015mm

Footprint

Stencil window

ESDA8P30-1T2

Recommendation on PCB assembly

DS12517 - Rev 3

page 7/11