Data Sheet
VNH3SP30-E Package and PCB thermal data
27/33
Equation 1: pulse calculation formula
Figure 41. MultiPowerSO-30 HSD thermal impedance junction ambient single pulse
Figure 42. MultiPowerSO-30 LSD thermal impedance junction ambient single pulse
Z
TH
R
TH
Z
THtp
1 –+=
where
t
p
T=
0.1
1
10
100
0.001 0.01 0.1 1 10 100 1000
time (sec)
°C/W
16 cm2
Footprint
8 cm2
4 cm2
16 cm2
Footprint
8 cm2
4 cm2
ZthHS
ZthHSLS
0,1
1
10
100
0,001 0,01 0,1 1 10 100 1000time (sec)
°C/W
16 cm2
Footprint
8 cm2
4 cm2
16 cm2
Footprint
8 cm2
4 cm2