BAT30F4 Datasheet, PDF (6/10 Pages) STMicroelectronics – Negligible switching losses

Recommendation on PCB assembly
3
Recommendation on PCB assembly
BAT30F4
3.1
Stencil opening design
1. General recommendations on stencil opening design
a) Stencil opening dimensions: L (Length), W (Width), T (Thickness).
Figure 12. Stencil opening dimensions
L
TW
b) General design rule
Stencil thickness (T) = 75 ~ 125 µm
Aspect
Ratio
=
W-----
T
 1.5
Aspect Area = _{2----T---L-}---L-^---+-W----W-------_  0.66
2. Recommended stencil window
a) Stencil opening thickness: 80 µm
b) Other dimensions: see Figure 13
Figure 13. Recommended stencil window position, stencil opening thickness: 80 µm
0.230
(0.0091)
0.656
(0.0258)
0.643
(0.0253)
0.183
(0.0072)
0.007 0.007
(0.00027) (0.00027)
Footprint
0.170
(0.0067)
0.243
(0.0096)
mm
(inches)
Stencil window
6/10
DocID025780 Rev 5