BTB/BTA41
Discrete Triacs(Non-Isolated/Isolated)
Fig. 1: Maximum power dissipation versus R MS
Fig. 2: R MS on-state current versus case
on-state current (full cycle).
temperature (full cycle).
P (W)
50
IT(R MS ) (A)
45
B TA41
40
α = 180°
40
30
20
10
B TB 41
35
30
25
20
15
10
5
180°
α
α
IT(R MS ) (A)
15 20 25
Tc(° C)
0
0
0
25
50
75
100
125
0
5
10
30
35
40
Fig. 3: R elative variation of thermal impedance
versus pulse duration.
Fig. 4: On-state characteristics (maximum
values).
K =[Zth/R th]
ITM (A)
400
1.E +00
Zth(j-c)
Tj max
100
1.E -01
Zth(j-a)
BTA/BTB41
Tj=25°C
10
1.E -02
Tj max.:
Vto = 0.85 V
R d = 10 mΩ
VTM (V)
tp (s )
1
1.E -03
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
1.E -03 1.E -02 1.E -01 1.E +00 1.E +01 1.E +02 1.E +03
Fig. 5: S urge peak on-state current versus
number of cycles.
Fig. 6: Non-repetitive surge peak on-state
current for
a
sinusoidal pulse with width
tp < 10 ms, and corresponding value of I²t.
ITS M (A), I² t (A² s )
ITS M (A)
450
10000
ITS M
400
t=20ms
dI/dt limitation:
50A/µs
I²t
350
One cycle
Non repetitive
Tj initial=25°C
1000
300
250
200
R epetitive
Tc=70°C
150
100
Tj initial=25°C
tp (ms )
50
Number of cycles
100
0.01
0
0.10
1.00
10.00
1
10
100
1000