BTA40, BTA41 and BTB41 Series
40A TRIAC
S
RD91
(BTA40)
Table 1: Main Features
Symbol
I
T(RMS)
V
DRM
/V
RRM
I
GT (Q
1
)
Value
40
600 and 800
50
Unit
A
V
mA
A2
G
A1
DESCRIPTION
Available in high power packages, the
BTA/
BTB40-41
series is suitable for general purpose
AC switching. They can be used as an ON/OFF
function in applications such as static relays, heat-
ing regulation, induction motor starting circuits... or
for phase control operation in light dimmers, motor
speed controllers, ...
Thanks to their clip assembly technique, they
provide a superior performance in surge current
handling capabilities.
By using an internal ceramic pad, the BTA series
provides voltage insulated tab (rated at
2500V
RMS
) complying with UL standards (File ref.:
E81734).
TOP3 Insulated
(BTA41)
TOP3
(BTB41)
Table 2: Order Codes
Part Number
BTA40-xxxB
BTA41-xxxBRG
BTB41-xxxBRG
Marking
See table 8 on page 6
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BTA40, BTA41 and BTB41 Series
Table 3: Absolute Maximum Ratings
Symbol
I
T(RMS)
I
TSM
I
²
t
dI/dt
RMS on-state current
(full sine wave)
Parameter
RD91 / TOP3
TOP Ins.
T
c
= 95°C
T
c
= 80°C
t = 20 ms
t = 16.7 ms
Value
40
400
420
880
T
j
= 125°C
T
j
= 25°C
T
j
= 125°C
T
j
= 125°C
50
V
DSM
/V
RSM
+ 100
8
1
- 40 to + 150
- 40 to + 125
Unit
A
Non repetitive surge peak on-state F = 50 Hz
current (full cycle, T
j
initial = 25°C) F = 60 Hz
I
²
t Value for fusing
Critical rate of rise of on-state cur-
rent I
G
= 2 x I
GT
, t
r
≤
100 ns
t
p
= 10 ms
F = 120 Hz
A
A
²
s
A/µs
V
A
W
°C
V
DSM
/V
RSM
Non repetitive surge peak off-state t
p
= 10 ms
voltage
I
GM
P
G(AV)
T
stg
T
j
Peak gate current
Average gate power dissipation
Storage junction temperature range
Operating junction temperature range
t
p
= 20 µs
Tables 4: Electrical Characteristics
(T
j
= 25°C, unless otherwise specified)
Symbol
I
GT
(1)
V
GT
V
GD
I
H
(2)
I
L
dV/dt (2)
V
D
= V
DRM
R
L
= 3.3 kΩ T
j
= 125°C
I
T
= 500 mA
I
G
= 1.2 I
GT
V
D
= 67 %V
DRM
gate open
I - III - IV
II
T
j
= 125°C
T
j
= 125°C
V
D
= 12 V
Test Conditions
R
L
= 33
Ω
Quadrant
I - II - III
IV
ALL
ALL
MAX.
MAX.
MIN.
MAX.
MAX.
MIN.
MIN.
Value
50
100
1.3
0.2
80
70
160
500
10
Unit
mA
V
V
mA
mA
V/µs
V/µs
(dV/dt)c (2) (dI/dt)c = 20 A/ms
Table 5: Static Characteristics
Symbol
V
T
(2)
V
t0
(2)
R
d
(2)
I
DRM
I
RRM
I
TM
= 60 A
Test Conditions
t
p
= 380 µs
T
j
= 25°C
T
j
= 125°C
T
j
= 125°C
T
j
= 25°C
T
j
= 125°C
MAX.
MAX.
MAX.
MAX.
Value
1.55
0.85
10
5
5
Unit
V
V
mΩ
µA
mA
Threshold voltage
Dynamic resistance
V
DRM
= V
RRM
Note 1:
minimum I
GT
is guaranted at 5% of I
GT
max.
Note 2:
for both polarities of A2 referenced to A1.
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BTA40, BTA41 and BTB41 Series
Table 6: Thermal resistance
Symbol
R
th(j-c)
R
th(j-a)
Junction to case (AC)
Junction to ambient
Parameter
RD91 (Insulated) / TOP3
TOP3 Insulated
TOP3 / TOP3 Insulated
Value
0.9
0.6
50
Unit
°C/W
°C/W
S = Copper surface under tab.
Figure 1: Maximum power dissipation versus
RMS on-state current (full cycle)
P(W)
50
Figure 2: RMS on-state current versus case
temperature (full cycle)
I
T(RMS)
(A)
45
40
BTA41
BTA40 / BTB41
40
35
30
α
= 180°
30
25
20
15
180°
20
10
I
T(RMS)
(A)
0
0
5
10
15
20
25
30
α
α
10
5
0
T
C
(°C)
0
25
50
75
100
125
35
40
Figure 3: Relative variation of thermal
impedance versus pulse duration
K=[Z
th
/R
th
]
1.E+00
Z
th(j-c)
Figure 4: On-state characteristics (maximum
values)
I
TM
(A)
400
T
j
max.
V
to
= 0.85V
R
d
= 10 m
Ω
100
T
j
= T
j
max.
1.E-01
Z
th(j-a)
BTA / BTB41
T
j
= 25°C.
10
1.E-02
1.E-03
1.E-03
1.E-02
1.E-01
t
p
(s)
1.E+00
1.E+01
1.E+02
1.E+03
V
TM
(V)
1
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
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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 I
2
t
I
TSM
(A), I
2
t (A
2
s)
10000
T
j
initial=25°C
t=20ms
I
TSM
(A)
450
400
350
300
250
200
150
100
50
0
1
10
100
1000
Repetitive
T
C
=70°C
Non repetitive
T
j
initial=25°C
dI/dt limitation:
50A/µs
I
TSM
I
2
t
One cycle
1000
Number of cycles
100
0.01
0.10
t
p
(ms)
1.00
10.00
Figure 7: Relative variation of gate trigger
current, holding current and latching current
versus junction temperature (typical values)
I
GT
,I
H
,I
L
[T
j
] / I
GT
,I
H
,I
L
[T
j
=25°C]
2.5
Figure 8: Relative variation of critical rate of
decrease of main current versus (dV/dt)c
(typical values)
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
2.0
1.8
2.0
I
GT
1.6
1.4
1.5
I
H
& I
L
1.2
1.0
0.8
1.0
0.5
T
j
(°C)
0.0
-40
-20
0
20
40
60
80
100
120
140
0.6
0.4
0.1
1.0
(dV/dt)c (V/µs)
10.0
100.0
Figure 9: Relative variation of critical rate of
decrease of main current versus (dV/dt)c
(dI/dt)c [T
j
] / (dI/dt)c [T
j
specified]
6
5
4
3
2
1
T
j
(°C)
0
0
25
50
75
100
125
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BTA40, BTA41 and BTB41 Series
Figure 10: Ordering Information Scheme
BT A 40 - 600 B RG
Triac series
Insulation
A = insulated
B = non insulated
Current
40 = 40A in RD91
41 = 40A in TOP3
Voltage
600 = 600V
800 = 800V
Sensitivity and type
B = 50mA Standard
Packing mode
RG = Tube
Blank = Bulk
Table 7: Product Selector
Part Numbers
BTA40-xxxB
BTA41-xxxBRG
BTB41-xxxBRG
BTB:
non insulated TOP3 package
Voltage (xxx)
600 V
X
X
X
800 V
X
X
X
Sensitivity
50 mA
50 mA
50 mA
Type
Standard
Standard
Standard
Package
RD91
TOP3 Ins.
TOP3
Figure 11: TOP3 (Insulated and non insulated) Package Mechanical Data
DIMENSIONS
H
R
B
A
REF.
A
B
C
D
Millimeters
Min.
Typ.
Max.
4.6
Min.
0.173
4.4
1.45
14.35
0.5
2.7
15.8
20.4
15.1
5.4
3.4
4.08
1.20
4.60
Inches
Typ.
Max.
0.181
0.061
0.614
0.028
0.114
0.650
0.831
0.610
0.222
0.144
0.164
0.055
0.181
ØL
1.55 0.057
15.60 0.565
0.7
2.9
0.020
0.106
K
G
F
E
F
G
H
16.5 0.622
21.1 0.815
15.5 0.594
5.65 0.213
3.65 0.134
4.17 0.161
1.40 0.047
P
C
J
K
ØL
P
R
J
J
D
E
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