SMA4F STMicroelectronics, SMA4F Datasheet - Page 3

• Manufacturer Part Number: SMA4F
• Description: High Junction Temperature Transil?
• Manufacturer: STMicroelectronics

SMA4F
Table 4.
1. Pulse test: t
2. To calculate maximum clamping voltage at other surge currents, use the following formula
3. To calculate V
Figure 1.
SMA4F5.0A
Figure 2.
V
V
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
CLmax
BR
Type
0
@ T
= R
j
25
= V
Electrical characteristics - values (T
D
p
Definition of Ipp pulse
Relative peak power dissipation
versus initial junction temperature
x I
<50ms.
BR
BR
PP
50
@ 25 °C x (1 + T x (T
versus junction temperature, use the following formula:
25 °C 85 °C
+ V
I
µA (Max)
10
RM
BRmax
75
max@V
T
j
initial (°C)
50
100
RM
5.0 6.40 6.74 7.10 10
125
V
100
50
0
%I
j
min
150
- 25))
PP
V
175
typ max
BR
V
t
r
@I
200
R
(1)
t
amb
p
mA
Figure 3.
Repetitive peak pulse current
tr = rise time (µs)
tp = pulse duration time (µs)
= 25 °C)
1.E+02
1.E+01
1.E+00
10/1000 µs
1.E-01
max
V
9.2
V
CL
1.E-03
P
@I
PP
43.5
A
(kW)
PP
Peak pulse power versus
exponential pulse duration
(T
10/1000 µs
j
1.E-02
initial = 25 °C)
0.048
R
D
t
(2)
t (ms)
p
1.E-01
max
13.4 174
V
8/20 µs
V
CL
@I
A
PP
1.E+00
Characteristics
8/20 µs
T
0.036
R
j
initial = 25 °C
D
(2)
1.E+01
10-4/°C
max
5.7
T
(3)
3/9