BTA24, BTB24, T25
Datasheet
800 V and 600 V, 25 A standard and Snubberless Triacs
A2
A2
G
A1
TO-220AB
A1
A2
G
A2
A1
A2
G
TO-220AB Ins.
D²PAK
A1
A2
G
Features
• High current 25 A RMS current Triac
• Low thermal resistance
• High commutation (4 quadrants) or very high commutation (3 quadrants) capability
• BTA series UL1557 recognized components (file ref: 81734)
• RoHS (2002/95/EC) compliant packages
• UL-94, V0 flammability package resin compliance
Applications
• On/off function in static relays, heating regulation, induction motor starting circuits
• Phase control operations in light dimmers and motor speed controllers
Description
Available either in through-hole or surface-mount packages, the BTA24, BTB24 and
T25 are suitable for general purpose AC switching.
Product status link
BTA24
BTB24
T25
TO-220AB insulated package
TO-220AB uninsulated package
D²PAK package
Product summary
BTA24 BTB24 T25
I
T(RMS)
V
DRM
/V
RRM
I
GT
Snubberless
I
GT
standard
25 A
600 V and 800 V
35 / 50 mA
50 mA
35 mA
DS2112 - Rev 12 - September 2021
For further information contact your local STMicroelectronics sales office.
www.st.com
1
BTA24, BTB24, T25
Characteristics
Characteristics
Symbol
I
T(RMS)
I
TSM
I 2 t dl/dt
Table 1. Absolute maximum ratings
Parameters
RMS on-state current (full sine wave)
Non repetitive surge peak on-state current (full cycle,
T j
initial = 25 °C)
D 2 PAK /
TO-220AB
T c
= 100 °C
TO-220AB Ins.
T c
= 75 °C f = 60 Hz t p
= 16,7 ms f = 50 Hz t p
= 20 ms t p
= 10 ms I 2 t value for fusing
Critical rate of rise of on-state current
I
G
= 2 x I
GT
, t r
≤ 100 ns f = 120 Hz T j
= 125 °C
V
DSM
, V
RSM
Non repetitive surge peak off-state voltage
V
DRM
, V
RRM
I
GM
P
G(AV)
T stg
T j
T
L
V
INS
Repetitive peak off-state voltage
Peak gate current
Average gate power dissipation
Storage junction temperature range
Operating junction temperature range
Maximum lead temperature for soldering during 10 s
Insulation RMS voltage, 1 minute t p
= 10 ms t p
= 20 µs
Value
25
260
250
340
50
T j
= 25 °C
T j
= 25 °C
T j
= 125 °C
T j
= 125 °C
V
DRM
, V
RRM
+
100
600 or 800
4
1
-40 to +150
-40 to +125
260
2.5
Unit
A
A
A 2 s
A/µs
V
°C
°C
°C kV
V
A
W
Table 2. Electrical characteristics (T j
= 25 °C, unless otherwise specified) - Snubberless (3 quadrants) T25,
BTA24-XXXXW, BTB24-XXXXW
Symbol
I
GT
(1)
V
GT
V
GD
I
H
(2)
I
L
V
D
= 12 V, R
L
= 33 Ω
V
D
= V
DRM
, R
L
= 3.3 kΩ, T j
= 125 °C
I
T
= 500 mA
I
G
= 1.2 I
GT
Parameters
dV/dt (2)
(dI/dt)c
(2)
V
D
= 67 % V
DRM
gate open, T
Without snubber j
= 125 °C
1. Minimum I
GT
is guaranteed at 5 % of I
GT
max.
2. For both polarities of A2 referenced to A1
Quadrant
I - II - III
I - II - III
I - II - III
I - III
II
Max.
Max.
Min.
Max.
Max.
Max.
Min.
Min.
50
70
80
500
13
T25 BTA/BTB
T2535 CW BW
35 35
1.3
50
Unit mA
V
0.2
V
50
70
80
75
80
100 mA mA
500 1000 V/µs
13 22 A/ms
DS2112 - Rev 12 page 2/14
DS2112 - Rev 12
BTA24, BTB24, T25
Characteristics
Table 3. Electrical characteristics (T j
= 25 °C, unless otherwise specified) - standard (4 quadrants)
BTB24-800B, BTB24-600B
Symbol Parameters
I
GT
(1)
V
GT
V
GD
I
H
(2)
I
L
V
D
= 12 V, R
L
= 33 Ω
V
D
= V
DRM
, R
L
= 3.3 kΩ, T j
= 125 °C
I
T
= 500 mA
I
G
= 1.2 I
GT
dV/dt (2)
(dV/dt)c (2)
V
D
= 67 % V
DRM
gate open, T j
= 125 °C
(dI/dt)c = 13.3 A/ms, T j
= 125 °C
1. Minimum I
GT
is guaranteed at 5 % of I
GT
max.
2. For both polarities of A2 referenced to A1
Quadrant
I - II - III
IV
All
All
I - III - IV
II
Max.
Value Unit
50 mA
100
Max.
1.3
V
Min.
0.2
V
Max.
80
Max.
70
Max.
160 mA mA
Min.
500 V/µs
Min.
10 V/µs
Symbol
V
TM
(1)
V
TO
(1)
R
D
(1)
I
DRM
/I
RRM
Table 4. Static electrical characteristics
Test conditions
I
TM
= 35 A, t p
= 380 µs threshold on-state voltage
Dynamic resistance
V
T
= V
DRM
, V
T
= V
RRM
T j
25 °C
125 °C
125 °C
25 °C
125 °C
1. For both polarities of A2 referenced to A1
Symbol
R th(j-c)
Junction to case (AC)
Table 5. Thermal resistance
R th(j-a)
Junction to ambient, S (1) = 2.5 cm²
Junction to ambient
1. S = Copper surface under tab.
Parameters
D 2 PAK / TO-220AB
TO-220AB insulated
D 2 PAK
TO-220AB / TO-220AB insulated
Value Unit
Max.
1.55
V
Max.
0.85
Max.
Max.
16
5
3
V mΩ
µA mA
Max.
Typ.
Value Unit
0.8
1.7
45
60
°C/W page 3/14
BTA24, BTB24, T25
Characteristics (curves)
1.1
Characteristics (curves)
Figure 1. Maximum power dissipation versus on-state
RMS current (full cycle)
30
P(W)
25
20
15
10
5
0
0 5 10
I
T(RMS)
(A)
15 20 25
15
10
5
0
0
Figure 2. RMS on-state current versus case temperature
(full cycle)
30
I
T(RMS)
(A)
25
BTB24/T25
BTA24
20
25 50
T
C
(°C)
75 100 125
Figure 3. RMS on-state current versus ambient temperature (full cycle) D²PAK
4.0
I
T(RMS)
(A)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0 25 50
.
T a
(°C)
75 100 125
Figure 4. Relative variation of thermal impedance versus pulse duration
1.E+00
K=[Z th
/R th
]
Z th(j-c)
1.E-01
Zth(j-a)
BTA / BTB / T25
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
Figure 5. On-state characteristics (maximum values)
1000
I
TM
(A)
T max.
V = 0.85V
to
R = 16 m Ω
100
10
T j
= 25°C.
1
0.5
1.0
1.5
2.0
V
TM
(V)
2.5
3.0
3.5
4.0
4.5
Figure 6. Surge peak on-state current versus number of cycles
300
I
TSM
(A)
250
200
150
100
50
0
1
Repetitive
T
C
= 75 °C
Non repetitive
T j initial=25°C
10
Number of cycles
100 t=20ms
One cycle
1000
DS2112 - Rev 12 page 4/14
BTA24, BTB24, T25
Characteristics (curves)
Figure 7. Non-repetitive surge peak on-state current for a sinusoidal pulse with width t
P
< 10 ms
Figure 8. Relative variation of gate trigger current, holding and latching current versus junction temperature
10000
I
TSM
(A)
2.5
I
GT
, I
H
, I
L
[T j
] / I
GT
, I
H
, I
L
[T j
= 25 °C]
2.0
I
GT dI/dt limitation:
50A/µs
I I
TSM
1.5
I
H
& I
L
1000
1.0
100
0.01
0.10
t p
(ms)
1.00
10.00
0.5
0.0
-40 -20 0 20 40
T j
(°C)
60 80 100 120
Figure 9. Relative variation of critical rate of decrease of main current versus (dV/dt)c (typical values)
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.1
(dI/dt)c [(dV/dt)c] / specified (dI/dt)c
Snuberless (3 quadrants) T25, BTA24-XXXXW, BTB24-XXXXW
Standard (4 quadrants) BTA24/BTB24-XXXB
1.0
(dV/dt) (V/µs)
10.0
100.0
Figure 10. Relative variation of critical rate of decrease of main current versus junction temperature (typical values)
8
(dI/dt)c [T j
] / (dI/dt)c [T j
= 125 °C]
4
3
2
1
0
0
7
6
5
25 50
T j
(°C)
75 100 125
Figure 11. D²PAK thermal resistance junction to ambient versus copper surface under tab
60
R th(j-a)
(°C/W)
D²PAK
50
20
10
40
30
0
0 5 10 15 20 25 30
S
Cu
(cm²)
35 40
DS2112 - Rev 12 page 5/14
2
2.1
BTA24, BTB24, T25
Package information
Package information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com
. ECOPACK is an ST trademark.
•
•
•
TO-220AB package information
Molding compound resin is halogen free and meets UL94 flammability standard, level V0
Lead-free plating package leads
Recommended torque: 0.4 to 0.6 N·m
Figure 12. TO-220AB package outline
DS2112 - Rev 12 page 6/14
DS2112 - Rev 12
BTA24, BTB24, T25
TO-220AB package information
Table 6. TO-220AB package mechanical data
Dimensions
Ref.
b1 b2
C c1 c2 e
F
A a1 a2
B
I
L
I2
I3
I4
M
Min.
15.20
13.00
10.00
0.61
1.23
4.40
0.49
2.40
2.40
6.20
3.73
2.65
1.14
1.14
15.80
Millimeters
Typ.
3.75
16.40
2.6
1. Inch dimensions are for reference only.
Max.
15.90
14.00
10.40
0.88
1.32
4.60
0.70
2.72
2.70
6.60
3.88
2.95
1.70
1.70
16.80
Min.
0.5984
0.5118
0.3937
0.0240
0.0484
0.1732
0.0193
0.0945
0.0945
0.2441
0.1469
0.1043
0.0449
0.0449
0.6220
Inches (1)
Typ.
0.1476
0.6457
0.1024
Max.
0.6260
0.5512
0.4094
0.0346
0.0520
0.1811
0.0276
0.1071
0.1063
0.2598
0.1528
0.1161
0.0669
0.0669
0.6614
page 7/14
2.2
BTA24, BTB24, T25
D²PAK package information
•
•
•
D²PAK package information
ECOPACK2 compliant
Lead-free package leads finishing
Molding compound resin is halogen-free and meets UL94 flammability standard level V0
E
Figure 13. D²PAK package outline
A c2
E1
E2
1 2 3 b2 b e
G
Max resin gate protrusion: 0.5 mm (1)
A1
A2
A3
R
Gauge Plane c
V2
(1) Resin gate is accepted in each of position shown on the drawing, or their symmetrical.
DS2112 - Rev 12 page 8/14
DS2112 - Rev 12
BTA24, BTB24, T25
D²PAK package information
Table 7. D²PAK package mechanical data
Dimensions
Ref.
H
L
L2
L3
R
V2 (2)
e
E
E1
E2
G b b2 c c2
D
D1
D2
A
A1
A2
A3
Min.
4.30
2.49
0.03
0.70
1.25
0.45
1.21
8.95
7.50
1.30
2.54
10.00
8.30
6.85
4.88
15
1.78
1.19
1.40
0°
Millimeters
Typ.
0.25
0.40
1. Dimensions in inches are given for reference only
2. Degrees
Max.
4.60
2.69
0.23
0.93
1.7
0.60
1.36
9.35
8.00
1.70
10.28
8.70
7.25
5.28
15.85
2.28
1.40
1.75
8°
Min.
0.1693
0.0980
0.0012
0°
0.0276
0.0492
0.0177
0.0476
0.3524
0.2953
0.0512
0.10000
0.3937
0.3268
0.2697
0.1921
0.5906
0.0701
0.0468
0.0551
Inches
(1)
Typ.
0.0098
0.0157
0.4047
0.3425
0.2854
0.2079
0.6240
0.0898
0.0551
0.0689
8°
Max.
0.1811
0.1059
0.0091
0.0366
0.0669
0.0236
0.0535
0.3681
0.3150
0.0669
page 9/14
BTA24, BTB24, T25
D²PAK package information
Figure 14. D²PAK recommended footprint (dimensions are in mm)
16.90
10.30
1.30
5.08
3.70
8.90
Figure 15. D²PAK stencil definitions (dimensions are in mm)
DS2112 - Rev 12 page 10/14
3
BTA24, BTB24, T25
Ordering information
Ordering information
Figure 16. Ordering information scheme (BTA24 and BTB24 series)
BT A 24 - 600 BW RG
Triac
Insulation
A = Insulated
B = Non-insulated
Current
24 = 25 A
Voltage
600 = 600 V
800 = 800 V
Sensitivity and type
B = 50 mA Standard
BW = 50 mA Snubberless
CW = 35 mA Snubberless
Packing mode
RG = Tube
Figure 17. Ordering information scheme (T25 series)
T 25 35 - 800 G (-TR)
Triac
Current
25 = 25 A
Sensitivity
35 = 35 mA
Voltage
800 V
600 V
Package
G = D²PAK
Packing mode
(blank) = Tube
-TR = Tape and reel
DS2112 - Rev 12 page 11/14
Order code
BTA24-600BWRG
BTA24-600CWRG
BTA24-800BWRG
BTA24-800CWRG
BTB24-600BRG
BTB24-600BWRG
BTB24-600CWRG
BTB24-800BRG
BTB24-800BWRG
BTB24-800CWRG
T2535-600G
T2535-600G-TR
T2535-800G
T2535-800G-TR
BTA24, BTB24, T25
Ordering information
Table 8. Ordering information
Package Marking
BTA24 600BW
BTA24 600CW
BTA24 800BW
BTA24 800CW
BTB24 600B
BTB24 600BW
BTB24 600CW
BTB24 800B
BTB24 800BW
BTB24 800CW
T2535 600G
T2535 600G
T2535 800G
T2535 800G
TO-220AB insulated
TO-220AB
D²PAK
Weig ht
Base qty.
Delivery mode
2.3 g 50 Tube
1.5 g
50
2500
50
2500
Tube
Tape and reel
Tube
Tape and reel
DS2112 - Rev 12 page 12/14
BTA24, BTB24, T25
Revision history
Date
Oct-2002
13-Feb-2006
31-May-2006
31-Jul-2006
05-Jul-2007
28-Jul-2021
29-Sep-2021
7
8
9
10
11
12
Table 9. Document revision history
Revision
6A
Changes
Previous update.
TO-220AB delivery mode changed from bulk to tube.
ECOPACK statement added.
Reformatted to current standard. Tc in figure 3 changed to Tamb
Typing error corrected on page 1 (BTB124 instead of BTB24)
Added BTB26-600BRG. Restructured cover page and section 2: Ordering information scheme on page 6 to simplify product selection.
Thermal resistance values updated in Table 6 and Figure 2. Graphic for I2t updated in Figure 7.
Removed RD91, TOP3 insulated and TOP3 package information. Put in separate specification.
Minor text changes.
Updated Table 2
.
DS2112 - Rev 12 page 13/14
BTA24, BTB24, T25
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DS2112 - Rev 12 page 14/14
