Characteristics
SM15T
Figure 4.
Capacitance versus reverse applied Figure 5.
voltage for unidirectional types
(typical values)
10000
SM15T 6V8A
SM15T 15A
T
j
= 25°C
F = 1 MHz
Capacitance versus reverse applied
voltage for bidirectional types
(typical values)
C (pF)
SM15T 6V8CA
T
j
= 25°C
F = 1 MHz
C (pF)
10000
SM15T 15CA
SM15T 30A
1000
SM15T 68A
SM15T 200A
1000
SM15T 30CA
SM15T 68CA
SM15T 200CA
100
100
V
R
(V)
10
1
10
100
500
10
1
10
V
R
(V)
100
500
Figure 6.
Peak forward voltage drop versus Figure 7.
peak forward current (typical values
for unidirectional types)
Transient thermal impedance
junction-ambient versus pulse
duration - mounting on FR4 PC
board with recommended pad
layout
I
FM
(A)
500
100
Z
th(j-a)
(°C/W)
100
T
j
initial = 25°C
10
T
j
initial = 175°C
10
1
V
FM
(V)
1
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
t
p
(s)
0.1
0
.01
0.1
1
10
100
1000
Figure 8.
Relative variation of leakage
current versus junction
temperature
5E+3
1E+3
I
R
(T
j
)
I
R
(T
j
= 25°C)
V
R
= V
RM
1E+2
1E+1
1E+0
T
j
(°C)
1E-1
0
25
50
75
100
125
150
4/9
STMICROELECTRONICS [ STMICROELECTRONICS ]
