TPA SERIES
TELECOMMUNICATION PROTECTION ARRESTORS
Figure 2: Pulse waveform (10/1000µs)
Figure 3: Non repetitive surge peak on-state
current versus overload duration
I
TSM
(A)
30
25
20
15
10
5
F=50Hz
% I
PP
100
Repetitive peak pulse current
tr = rise time (µs)
tp = pulse duration time (µs)
50
0
t
r
t
p
t
t(s)
0
1E-2
1E-1
1E+0
1E+1
1E+2
1E+3
Figure 4: On-state voltage versus on-state
current (typical values)
I
T
(A)
50
Figure 5: Relative variation of holding current
versus junction temperature
I
H
[T
j
] / I
H
[T
j
=25°C]
2.0
1.8
20
T
j
=25°C
1.6
1.4
10
1.2
1.0
5
0.8
0.6
2
0.4
V
T
(V)
1
0
1
2
3
4
5
6
7
8
9
10
0.2
0.0
-40
-20
0
20
T
j
(°C)
40
60
80
100
120
Figure 6: Relative variation of breakover
voltage versus junction temperature
V
BO
[T
j
] / V
BO
[T
j
=25°C]
1.10
Figure 7: Relative variation of leakage current
versus reverse voltage applied (typical values)
I
RM
[T
j
] / I
RM
[T
j
=25°C]
2000
1000
V
R
=V
RM
1.05
100
1.00
270 V
10
0.95
62 V
T
j
(°C)
0.90
-40
-20
0
20
40
60
80
100
T
j
(°C)
1
25
50
75
100
125
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