®
BTA40, BTA41 and BTB41 Series
STANDARD
Table 1: Main Features
Symbol Value Unit
I
T(RMS)
V
DRM/VRRM
I
GT (Q1)
40 A
600 and 800 V
50 mA
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, heating 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
) complying with UL standards (File ref.:
RMS
E81734).
A2
G
A1
A1
G
RD91
(BTA40)
A1
A2
G
TOP3 Insulated
(BTA41)
Table 2: Order Codes
Part Number Marking
BTA40-xxxB
See table 8 on page 6BTA41-xxxBRG
BTB41-xxxBRG
40A TRIACS
A2
A2
A1
A2
G
TOP3
(BTB41)
REV. 7October 2005
1/7
BTA40, BTA41 and BTB41 Series
Table 3: Absolute Maximum Ratings
Symbol Parameter Value Unit
T
I
T(RMS)
I
TSM
²
I
tI
dI/dt
V
DSM/VRSM
I
GM
P
G(AV)
T
stg
T
j
RMS on-state current
(full sine wave)
Non repetitive surge peak on-state
current (full cycle, T
²
t Value for fusing
initial = 25°C)
j
Critical rate of rise of on-state cur-
= 2 x IGT , tr ≤ 100 ns
rent I
G
Non repetitive surge peak off-state
voltage
Peak gate current
Average gate power dissipation
Storage junction temperature range
Operating junction temperature range
RD91 / TOP3
TOP Ins.
F = 50 Hz t = 20 ms 400
F = 60 Hz t = 16.7 ms 420
t
= 10 ms
p
F = 120 Hz
= 10 ms Tj = 25°C
t
p
t
= 20 µs Tj = 125°C
p
= 95°C
c
= 80°C
T
c
= 125°C
T
j
T
= 125°C
j
40 A
880
50 A/µs
V
DSM/VRSM
+ 100
8A
1W
- 40 to + 150
- 40 to + 125
A
°C
A
²
s
V
Tables 4: Electrical Characteristics (T
= 25°C, unless otherwise specified)
j
Symbol Test Conditions Quadrant Value Unit
I
(1)
GT
V
GT
V
GD
(2) IT = 500 mA
I
H
I
L
dV/dt (2)
V
= 12 V RL = 33 Ω
D
VD = V
IG = 1.2 I
= 67 %V
V
D
RL = 3.3 kΩ Tj = 125°C
DRM
GT
gate open Tj = 125°C
DRM
(dV/dt)c (2) (dI/dt)c = 20 A/ms
I - II - III
IV
MAX.
ALL MAX. 1.3 V
ALL MIN. 0.2 V
MAX. 80 mA
I - III - IV
MAX.
II 160
MIN. 500 V/µs
T
= 125°C
j
MIN. 10 V/µs
50
100
70
Table 5: Static Characteristics
Symbol Test Conditions Value Unit
V
(2) ITM = 60 A tp = 380 µs Tj = 25°C
T
(2)
V
t0
(2)
R
d
I
DRM
I
RRM
Note 1: minimum IGT is guaranted at 5% of IGT max.
Note 2: for both polarities of A2 referenced to A1.
Threshold voltage
Dynamic resistance
V
= V
DRM
RRM
Tj = 125°C
Tj = 125°C
Tj = 25°C
= 125°C
T
j
MAX. 1.55 V
MAX. 0.85 V
MAX. 10 mΩ
5µA
MAX.
5mA
mA
mA
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BTA40, BTA41 and BTB41 Series
Table 6: Thermal resistance
Symbol Parameter Value Unit
R
R
th(j-c)
th(j-a)
Junction to case (AC)
Junction to ambient TOP3 / TOP3 Insulated 50 °C/W
S = Copper surface under tab.
Figure 1: Maximum power dissipation versus
RMS on-state current (full cycle)
P(W)
50
40
30
20
180°
10
I (A)
0
0 5 10 15 20 25 30 35 40
T(RMS)
α
α
RD91 (Insulated) / TOP3 0.9
TOP3 Insulated 0.6
Figure 2: RMS on-state current versus case
temperature (full cycle)
I (A)
T(RMS)
45
40
35
30
25
20
15
10
5
0
0 25 50 75 100 125
BTA40 / BTB41
T (°C)
C
BTA41
°C/W
α = 180°
Figure 3: Relative variation of thermal
impedance versus pulse duration
K=[Z /R
1.E+00
1.E-01
1.E-02
1.E-03
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
th th
Z
th(j-c)
]
Z
th(j-a)
BTA / BTB41
t (s)
p
Figure 4: On-state characteristics (maximum
values)
I (A)
TM
400
100
T max.
j
V = 0.85V
to
R = 10 m
Ω
d
T=jT max.
j
T = 25°Cj.
10
V (V)
1
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TM
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BTA40, BTA41 and BTB41 Series
Figure 5: Surge peak on-state current versus
number of cycles
I (A)
TSM
450
400
350
300
250
200
150
100
50
0
1 10 100 1000
Repetitive
T =70°C
C
Non repetitive
T initial=25°C
j
Number of cycles
t=20ms
One cycle
Figure 7: Relative variation of gate trigger
current, holding current and latching current
versus junction temperature (typical values)
I,I,I[T] /
GT H L j
2.5
2.0
1.5
IH& I
1.0
0.5
0.0
-40 -20 0 20 40 60 80 100 120 140
I ,I ,I [T =25°C]
I
GT
L
GT H L j
T (°C)
j
Figure 6: Non-repetitive surge peak on-state
current for a sinusoidal pulse with width t
2
t (ms)
p
t
I
TSM
and corresponding value of I
TSM
dI/dt limitation:
50A/µs
22
I (A), I t (A s)
10000
1000
100
0.01 0.10 1.00 10.00
< 10 ms
p
T initial=25°C
j
2
I t
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
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.1 1.0 10.0 100.0
(dV/dt)c (V/µs)
Figure 9: Relative variation of critical rate of
decrease of main current versus (dV/dt)c
(dI/dt)c [T ] / pecified]
6
5
4
3
2
1
0
0 25 50 75 100 125
4/7
(dI/dt)c [T s
j
j
T (°C)
j
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 X X 50 mA Standard RD91
BTA41-xxxBRG X X 50 mA Standard TOP3 Ins.
BTB41-xxxBRG X X 50 mA Standard TOP3
Voltage (xxx)
600 V 800 V
Sensitivity Type Package
BTB: non insulated TOP3 package
Figure 11: TOP3 (Insulated and non insulated) Package Mechanical Data
DIMENSIONS
H
A
REF.
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
R
ØL
B
A 4.4 4.6 0.173 0.181
B 1.45 1.55 0.057 0.061
K
G
F
C 14.35 15.60 0.565 0.614
D 0.5 0.7 0.020 0.028
E 2.7 2.9 0.106 0.114
F 15.8 16.5 0.622 0.650
G 20.4 21.1 0.815 0.831
P
C
H 15.1 15.5 0.594 0.610
J 5.4 5.65 0.213 0.222
K 3.4 3.65 0.134 0.144
JJ
D
E
ØL 4.08 4.17 0.161 0.164
P 1.20 1.40 0.047 0.055
R 4.60 0.181
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BTA40, BTA41 and BTB41 Series
Figure 12: RD91 Package Mechanical Data
B2
L2
C
C2 C1
N2
E3
A2
A1
A
L1
F
I
N1
DIMENSIONS
REF.
Millimeters Inches
Min. Max. Min. Max.
A 40.00 1.575
A1 29.90 30.30 1.177 1.193
A2 22.00 0.867
B1
B 27.00 1.063
B1 13.50 16.50 0.531 0.650
B2 24.00 0.945
C 14.00 0.551
C1 3.50 0.138
C2 1.95 3.00 0.077 0.118
E3 0.70 0.90 0.027 0.035
B
F 4.00 4.50 0.157 0.177
I 11.20 13.60 0.441 0.535
L1 3.10 3.50 0.122 0.138
L2 1.70 1.90 0.067 0.075
N1 33° 43° 33° 43°
N2 28° 38° 28° 38°
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These
packages have a Lead-free second level interconnect . The category of second level interconnect is
marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The
maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an
ST trademark. ECOPACK specifications are available at: www.st.com
.
Table 8: Ordering Information
Ordering type Marking Package Weight Base qty Delivery mode
BTA40-xxxB BTA40xxxB RD91 20 g 25 Bulk
BTA41-xxxBRG BTA41xxxB TOP3 Ins. 4.5 g 30 Tube
BTB41-xxxBRG BTB41xxxB TOP3 4.5 g 30 Tube
Note: xxx = voltage
Table 9: Revision History
Date Revision Description of Changes
Sep-2003 5 Last update.
25-Mar-2005 6 TOP3 delivery mode changed from bulk to tube.
T
values for IT changed in Table 3. ECOPACK statement
14-Oct-2005 7
c
added.
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BTA40, BTA41 and BTB41 Series
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of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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