80810 Datasheet, PDF (4/7 Pages) STMicroelectronics – 40A TRIACS

BTA40, BTA41 and BTB41 Series
Figure 5: Surge peak on-state current versus
number of cycles
Figure 6: Non-repetitive surge peak on-state
current for a sinusoidal pulse with width t_p < 10 ms
and corresponding value of I²t
ITSM(A)
450
400
350
300
Non repetitive
Tj initial=25°C
250
200
150
100
Repetitive
TC=70°C
50
0
1
Number of cycles
10
100
t=20ms
One cycle
1000
ITSM(A), I²t (A²s)
10000
dI/dt limitation:
50A/µs
1000
ITSM
Tj initial=25°C
I²t
100
0.01
tp(ms)
0.10
1.00
10.00
Figure 7: Relative variation of gate trigger
current, holding current and latching current
versus junction temperature (typical values)
Figure 8: Relative variation of critical rate of
decrease of main current versus (dV/dt)c
(typical values)
IGT,IH,IL[Tj] / IGT,IH,IL[Tj=25°C]
2.5
2.0
IGT
1.5
IH & IL
1.0
0.5
Tj(°C)
0.0
-40 -20
0
20
40
60
80 100 120 140
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.1
(dV/dt)c (V/µs)
1.0
10.0
100.0
Figure 9: Relative variation of critical rate of
decrease of main current versus (dV/dt)c
(dI/dt)c [Tj] / (dI/dt)c [Tj specified]
6
5
4
3
2
1
Tj(°C)
0
0
25
50
75
100
125
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