BTA20 Series
Figure 7: Non-repetitive surge peak on-state
current for a sinusoidal pulse with width t
p
< 10 ms
and corresponding value of I
2
t
I
TSM
(A), I
2
t (A
2
s)
1000
T
j
initial=25°C
Figure 8: Relative variation of gate trigger
current and holding current versus junction
temperature
I
GT
,I
H
,I
L
[T
j
] / I
GT
,I
H
,I
L
[T
j
=25°C]
2.5
2.0
I
TSM
1.5
I
GT
1.0
I
2
t
I
H
& I
L
0.5
t
p
(ms)
100
T
j
(°C)
1.00
10.00
0.01
0.10
0.0
-40 -30 -20 -10
0
10 20 30 40
50 60 70
80 90 100 110 120 130
Figure 9: Ordering Information Scheme
BT A 20 - 600 BW RG
Triac series
Insulation
A = insulated
Current
20 = 20A
Voltage
600 = 600V
700 = 700V
Sensitivity and type
BW = 50mA (max.)
CW = 35mA (max)
Packing mode
RG = Tube
Table 7: Product Selector
Part Numbers
BTA20-xxxBWRG
BTA20-xxxCWRG
Voltage (xxx)
600 V
X
X
700 V
X
X
Sensitivity
50 mA
35 mA
Type
Snubberless
Package
TO-220AB Ins.
4/6
STMICROELECTRONICS [ STMICROELECTRONICS ]
