BTA40-400A ST Microelectronics, Inc., BTA40-400A Datasheet - Page 4

• Manufacturer Part Number: BTA40-400A
• Description: 40A Triacs
• Manufacturer: ST Microelectronics, Inc.

BTA40 and BTA/BTB41 Series
4/6
2.5
2.0
1.5
1.0
0.5
0.0
Fig. 3: Relative variation of thermal impedance
versus pulse duration.
Fig. 5: Surge peak on-state current versus
number of cycles.
450
400
350
300
250
200
150
100
Fig. 7: Relative variation of gate trigger current,
holding current and latching current versus
junction temperature (typical values).
1.E+00
1.E-01
1.E-02
1.E-03
50
-40
0
IGT,IH,IL[Tj] / IGT,IH,IL [Tj=25°C]
1
ITSM (A)
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
K=[Zth/Rth]
IH & IL
-20
Zth(j-c)
IGT
Repetitive
Tc=70°C
0
BTA/BTB41
Zth(j-a)
20
10
Tj initial=25°C
Non repetitive
Number of cycles
40
Tj(°C)
tp (s)
60
100
80
100
t=20ms
One cycle
120
1000
140
400
100
Fig. 4:
values).
Fig. 6: Non-repetitive surge peak on-state
current for a sinusoidal pulse with width
tp < 10 ms, and corresponding value of I²t.
10000
Fig. 8: Relative variation of critical rate of decrease
of main current versus (dV/dt)c (typical values).
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
10
1000
1
100
0.1
0.5
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
ITM (A)
0.01
ITSM (A), I²t (A²s)
1.0
dI/dt limitation:
Tj max
50A/µs
On-state characteristics
1.5
Tj=25°C
1.0
2.0
0.10
(dV/dt)c (V/µs)
2.5
VTM (V)
tp (ms)
3.0
10.0
ITSM
1.00
3.5
4.0
(maximum
Tj initial=25°C
Vto = 0.85 V
Rd = 10 m
Tj max.:
4.5
I²t
100.0
10.00
5.0