BTA20 STMicroelectronics, BTA20 Datasheet - Page 3

• Manufacturer Part Number: BTA20
• Description: 20A Snubberless™ Triacs
• Manufacturer: STMicroelectronics

Figure 1: Maximum power dissipation versus
RMS on-state current (full cycle)
Figure 3: RMS on-state current versus case
temperature (full cycle)
Figure
(maximum values)
30
25
20
15
10
1000
25
20
15
10
5
0
100
5
0
10
0
P(W)
0
1
I
T(RMS)
1
I
TM
R = 20 m
V = 1.04V
10
t0
d
T =
= 30°
(A)
T max.
j
j
T max.
(A)
j
20
5:
= 60°
30
T = 25°C
5
j
2
40
.
On-state
= 90°
50
I
T(RMS)
T (°C)
60
V
= 120°
C
10
TM
3
70
(V)
(A)
80
= 180°
characteristics
90
15
100
4
110 120 130
= 180°
180°
20
5
Figure 2: Correlation between maximum RMS
power dissipation and maximum allowable
temperatures (Tamb and Tcase) for different
thermal resistances heatsink + contact
Figure 4: Relative variation of thermal
impedance versus pulse duration
Figure 6: Non repetitive surge peak on-state
current versus number of cycles
30
25
20
15
10
1000
0.01
5
0
100
0.1
0
1.E-3
P(W)
1
K=[Z /R
1
I
TSM
th
(A)
20
1.E-2
th
]
R = 1.5°C/W
th
Z
th(j-c)
40
Non repetitive
T initial=25°C
1.E-1
j
10
R = 1°C/W
T
Number of cycles
th
amb
60
Z
th(j-a)
(°C)
1.E+0
t (s)
p
80
R = 0°C/W
th
R = 0.5°C/W
100
th
1.E+1
BTA20 Series
100
t=20ms
1.E+2
One cycle
120
T
case
5.E+2
(°C)
1000
105
115
125
3/6
65
75
85
95