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)
T
δ
=tp/T
tp
I
(A)
F(A V)
δ = 1
δ = 0.1
δ = 0.5
δ = 0.2
δ = 0.05
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Figure 2. Average forward current versus ambient
temperature (δ = 0.5)
0
1
2
3
4
5
6
0 25 50 75 100 125 150
I (A)
F(AV)
T
δ
=tp/T
tp
(°C)T
am
th(j-a)
R
b
SMA
R =
th(j-l)
SMB
Figure 3. Normalized avalanche power derating versus
junction temperature (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 (SMB)
Z / R
th(j-a) th(j-a)
0.01
0.10
1.00
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
Single pulse
SMB
t (s)
p
STPS1L30
Characteristics (curves)
DS1243 - Rev 8
page 3/15