Datasheet
STPS1545
Characteristics
DocID3504 Rev 7
3/13
1.1 Characteristics (curves)
Figure 1: Average forward power dissipation
versus average forward current
Figure 2: Average forward current versus ambient
temperature (δ = 0.5)
Figure 3: Normalized avalanche power derating
versus pulse duration (T
j
= 125 °C)
Figure 4: Relative variation of thermal impedance
junction to case versus pulse duration
(TO-220AC, D²PAK)
Figure 5: Relative variation of thermal impedance
junction to case versus pulse duration
(TO-220FPAC)
Figure 6: Reverse leakage current versus reverse
voltage applied (typical values)
0
2
4
6
8
10
12
T
= tp/T
tp
= 0.05
= 0.1
= 0.2
= 0.5
= 1
δ
δ
δ
δ
δ
δ
P
F(AV)
(W)
0 2 4 6 8 10 12 14 16 18
I
F(AV)
(A)
0 25 50 75 100 125 150 175
T
= tp/T
tp
0
2
4
6
8
10
12
14
16
18
I
F(AV)
(A)
δ
T
amb
(°C)
R
th(j-a)
= R
th(j-c)
R
th(j-a)
= 15 °C/W
TO-220AC
TO-220FPAC
P (t
p
)
P (10 µs)
ARM
ARM
0.001
0.01
0.1
1
1 10 100 1000
t (µs)
p
1E-4 1E-3 1E-2 1E-1 1E+0
0.0
0.2
0.4
0.6
0.8
1.0
T
= tp/T
tp
t (s)
p
= 0.2
δ
δ = 0.5
δ
δ = 0.1
Single pulse
Z
th(j-c)
/R
th(j-c)
1E-3 1E-2 1E-1 1E+0 1E+1
0.0
0.2
0.4
0.6
0.8
1.0
T
= tp/T
tp
t (s)
p
δ = 0.5
δ
δ = 0.1
δ = 0.2
Single pulse
Z
th(j-c)
/R
th(j-c)
0 5 10 15 20 25 30 35 40 45
1E+0
1E+1
1E+2
1E+3
1E+4
5E+4
T = 125°C
j
T = 150°C
j
T = 100°C
j
T = 25°C
j
T = 50°C
j
T = 75°C
j
I
R
(µA)
V
R
(V)