STPS2H100-Y Characteristics
Doc ID 17944 Rev 1 3/9
Figure 1. Average forward power dissipation
versus average forward current
Figure 2. Average forward current versus
ambient temperature (δ = 0.5)
(SMA / SMB)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
P (W)
F(AV)
T
δ
=tp/T
tp
δ = 1
δ = 0.1
δ = 0.05
I (A)
F(AV)
δ = 0.5
δ = 0.2
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 25 50 75 100 125 150 175
I (A)
F(AV)
T
δ
=tp/T
tp
SMB
R =80°C/W
S =1.5cm
th(j-a)
(CU)
2
T (°C)
amb
R=R
th(j-a) th(j-I)
SMA
R =100°C/W
S =1.5cm
th(j-a)
(CU)
2
SMA
SMB
Figure 3. Normalized avalanche power
derating versus pulse duration
Figure 4. Normalized avalanche power
derating versus junction
temperature
0.001
0.01
0.10.01 1
0.1
10 100 1000
1
t (µs)
p
P(t
p
)
P (1 µs)
ARM
ARM
0
0.2
0.4
0.6
0.8
1
1.2
25 50 75 100 125 150
T (°C)
j
P(T
j
)
P (25 °C)
ARM
ARM
Figure 5. Non repetitive surge peak forward
current versus overload duration
(maximum values) (SMA)
Figure 6. Non repetitive surge peak forward
current versus overload duration
(maximum values) (SMB)
0
1
2
3
4
5
6
7
8
9
10
1.E-03 1.E-02 1.E-01 1.E+00
I (A)
M
IM
t
δ=0.5
t(s)
T =125°C
a
T =25°C
a
T =75°C
a
SMA
0
1
2
3
4
5
6
7
8
9
10
1.E-03 1.E-02 1.E-01 1.E+00
I (A)
M
IM
t
δ=0.5
t(s)
T =125°C
a
T =25°C
a
T =75°C
a
SMB