Characteristics
Figure 2. Pulse definition for electrical characteristics
1.5KE
% I
pp
Repetitive pulse current
t = rise time (µs)
r
100
50
t
= pulse duration time (µs)
p
0
t
t
p
r
Figure 3.
Peak pulse power dissipation
versus initial junction temperature
(printed circuit board)
Figure 4.
Peak pulse power versus
exponential pulse duration
100%
80%
Peak power
(on printed circuit)
60%
40%
20%
T initial
j
0%
0
20
40
60
80 100 120 140 160 180 200
Figure 5.
Clamping voltage versus peak
pulse current
Figure 6.
Capacitance versus reverse applied
voltage for unidirectional types
(typical values)
v
(v)
cl
C (pF)
1000
100
% I
pp
10000
1.5KE440A
1.5KE220A
1
1
.
.
100
50
T
initial = 25°C
5
5
K
K
j
E
E
Tj = 25 °C
F = 1 MHz
7
1
V
5
5
0
t
t
p
r
1.5KE100A
1.5KE56A
t
r <10µs
1
1
.
.
5
5
K
K
E
E
6
1
8
1000
100
0
0
1.5KE22A
1.5KE12A
10
1
1.5KE6V8A
tp = 20 µs
tp = 1 ms
tp = 10 ms
I
(A)
10
pp
1
10
100
500
0.1
1
10
100
1000
The curves of Figure 5 are specified for a junction temperature of 25 °C before surge. The
given results may be extrapolated for other junction temperatures by using the following
formula:
ΔV = αT × (Tamb - 25) × V (25 °C).
BR
BR
For intermediate voltages, extrapolate the given results.
4/10
Doc ID 2913 Rev 4
STMICROELECTRONICS [ ST ]
