Datasheet

For more information, please refer to the following application notes related to the power losses :
• AN604: Calculation of conduction losses in a power rectifier
• AN4021: Calculation of reverse losses on a power diode
1.1 Characteristics (curves)
Figure 1. Average forward power dissipation versus
average forward current
P (W)
F(AV)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
I (A)
F(AV)
T
δ
=tp/T
tp
δ = 1
δ = 0.05
δ = 0.5
δ = 0.1
δ = 0.2
Figure 2. Average forward current versus ambient
temperature (δ= 0.5)
I (A)
F(AV)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
0 2 5 5 0 7 5 100 125 150 175
R
th(j-a)
=R
th(j-l)
R
th(j-a)
=100°C/W
SMA / SMA Flat Notch
DO-15
R
th(j-a)
=200°C/W
T (°C)
amb
T
δ
=tp/T
tp
Figure 3. Normalized avalanche power derating versus
pulse duration (T
j
= 125 °C)
P (t
p
)
P (10 µs)
ARM
ARM
0.001
0.01
0.1
1
1 10 100 1000
t (µs)
p
Figure 4. Relative variation of thermal impedance junction
to ambient versus pulse duration (DO-15)
Z /R
th(j-a) th(j-a)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
Single pulse
DO-15
t (s)
p
STPS2150
Characteristics (curves)
DS3282 - Rev 8
page 3/13