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BTA24, BTB24, BTA25, BTA26 and T25 series
SnuberrlessTM and Standard 25 A Triacs
Main features
Symbol IT(RMS) VDRM/VRRM IGT (Q1) Value 25 600 and 800 35 to 50 Unit
G
A2
A V mA
A1 A2 G
A1
A2
Description
Available either in through-hole or surface-mount packages, the BTA24, BTB24, BTA25, BTA26 and T25 triac 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, ... The snubberless versions (BTA/BTB...W and T25 series) are specially recommended for use on inductive loads, thanks to their high commutation performances. By using an internal ceramic pad, the BTA series provides voltage insulated tab (rated at 2500VRMS) complying with UL standards (File ref.: E81734).
A1 A2 G
TO-220AB Insulated (BTA24)
A1 G A2
TO-220AB (BTB24)
A1 A2 G
RD91 (BTA25)
TOP3 Insulated (BTA26)
A2
A1 A2 G
D2PAK (T25-G)
Order codes
Part Number BTA24-xxxxxRG BTB24-xxxxxRG BTA25-xxxxxRG See Table 6 on page 6 BTA26-xxxxxRG T25xx-xxxG T25xx-xxxG-TR Marking
TM: Snubberless is a trademark of STMicroelectronics
July 2006
Rev 9
1/12
www.st.com 12
Characteristics
BTA24, BTB24, BTA25, BTA26 and T25 series
1
Table 1.
Symbol
Characteristics
Absolute maximum ratings
Parameter D2PAK / TO-220AB IT(RMS) RMS on-state current (full sine wave) RD91 / TOP3 Ins. TO-220AB Ins. ITSM I t dI/dt Non repetitive surge peak on-state current (full cycle, Tj initial = 25 C) It Value for fusing Critical rate of rise of on-state current IG = 2 x IGT , tr 100 ns Non repetitive surge peak off-state voltage Peak gate current Average gate power dissipation Storage junction temperature range Operating junction temperature range F = 50 Hz F = 60 Hz tp = 10 ms F = 120 Hz tp = 10 ms tp = 20 s Tj = 125 C Tj = 25 C Tj = 125 C Tj = 125 C Tc = 100 C Tc = 90 C Tc = 75 C t = 20 ms t = 16.7 ms 250 A 260 340 50 VDSM/VRSM + 100 4 1 - 40 to + 150 - 40 to + 125 A s A/s V A W C 25 A Value Unit
VDSM/VRSM IGM PG(AV) Tstg Tj
Table 2.
Electrical characteristics (Tj = 25 C, unless otherwise specified), SnubberlessTM and Logic Level (3 quadrants) T25-G, BTA/BTB24...W, BTA25...W, BTA26...W
T25 BTA/BTB Unit T2535 CW 35 1.3 0.2 50 70 MAX. II Tj = 125 C Tj = 125 C MIN. MIN. 80 500 13 80 500 13 100 1000 22 V/s A/ms 50 70 75 80 mA BW 50 mA V V mA MAX. MAX. MIN. MAX. I - III 35 Test Conditions Quadrant I - II - III I - II - III I - II - III
Symbol IGT(1) VGT VGD IH(2) IL dV/dt (2) (dI/dt)c (2)
VD = 12 V RL = 33 VD = VDRM RL = 3.3 k Tj = 125 C IT = 500 mA IG = 1.2 IGT VD = 67 %VDRM gate open Without snubber
1. minimum IGT is guaranted at 5% of IGT max. 2. for both polarities of A2 referenced to A1.
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BTA24, BTB24, BTA25, BTA26 and T25 series Table 3.
Symbol IGT (1) VGT VGD IH(2)) IL dV/dt(2) (dV/dt)c
(2)
Characteristics
Electrical characteristics (Tj = 25 C, unless otherwise specified), Standard (4 quadrants), BTB24...B, BTA25...B, BTA26...B
Test Conditions Quadrant I - II - III - IV ALL VD = VDRM RL = 3.3 k Tj = 125 C IT = 500 mA I - III - IV IG = 1.2 IGT VD = 67 %VDRM gate open (dI/dt)c = 13.3 A/ms MAX. II Tj = 125 C Tj = 125 C MIN. MIN. 160 500 10 V/s V/s ALL MAX. MAX. MIN. MAX. Value 50 100 1.3 0.2 80 70 mA Unit mA V V mA
VD = 12 V
RL = 33
1. minimum IGT is guaranted at 5% of IGT max. 2. for both polarities of A2 referenced to A1.
Table 4.
Symbol VT (1) Vt0 (1) Rd
(1)
Static characteristics
Test Conditions ITM = 35 A tp = 380 s Tj = 25 C Tj = 125 C Tj = 125 C Tj = 25 C Tj = 125 C MAX. MAX. MAX. MAX. 3 mA Value 1.55 0.85 16 5 Unit V V m A
Threshold voltage Dynamic resistance VDRM = VRRM
IDRM IRRM
1. for both polarities of A2 referenced to A1.
Table 5.
Symbol
Thermal resistance
Parameter D2PAK / TO-220AB Value 0.8 1.1 1.7 45 50 60 C/W C/W Unit
Rth(j-c)
Junction to case (AC)
RD91 (Insulated) / TOP3 Insulated TO-220AB Insulated
(1)
S = 1 cm
D2PAK TOP3 Insulated TO-220AB / TO-220AB Insulated
Rth(j-a)
Junction to ambient
1. S = Copper surface under tab.
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Characteristics
BTA24, BTB24, BTA25, BTA26 and T25 series
Figure 1.
Maximum power dissipation versus Figure 2. RMS on-state current (full cycle)
IT(RMS)(A)
30 25
RMS on-state current versus case temperature (full cycle)
P(W)
30 25 20 15 10 5
BTB / T25 BTA24
20
BTA25 / BTA26
15 10 5
IT(RMS)(A)
0 0 5 10 15 20 25
TC(C)
0 0 25 50 75 100 125
Figure 3.
D2PAK RMS on-state current versus Figure 4. ambient temperature (printed circuit board FR4, copper thickness: 35m) (full cycle)
1E+0
D2PAK (S=1cm2)
Relative variation of thermal impedance versus pulse duration
IT(RMS)(A)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 25 50 75 100 125
1E-2 1E-1
K=[Zth/Rth]
Zth(j-c)
Zth(j-a) BTA / BTB24 / T25
Zth(j-a) BTA26
Tamb(C)
tp(s)
1E-3 1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 5E+2
Figure 5.
On-state characteristics (maximum values)
Figure 6.
Surge peak on-state current versus number of cycles
ITM(A)
300
Tj max. Vto = 0.85V Rd = 16 m Tj = Tj max.
ITSM(A)
300 250
t=20ms
100
200
Non repetitive Tj initial=25C
One cycle
150
10
Tj = 25C.
100 50
1 0.5 1.0 1.5 2.0
Repetitive TC=75C
VTM(V)
2.5 3.0 3.5 4.0 4.5
Number of cycles
0 1 10 100 1000
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BTA24, BTB24, BTA25, BTA26 and T25 series
Characteristics
Figure 7.
Non-repetitive surge peak on-state Figure 8. current for a sinusoidal pulse with width tp < 10 ms and corresponding value of I2t
2 2
Relative variation of gate trigger current, holding current and latching current versus junction temperature (typical values)
ITSM(A), I t (A s)
3000
dI/dt limitation: 50A/s Tj initial=25C
IGT,IH,IL[Tj] / IGT,IH,IL[Tj=25C]
2.5
2.0
IGT ITSM I2t
1000
1.5
IH & IL
1.0
0.5
tp(ms)
100 0.01 0.10 1.00 10.00
0.0 -40 -20 0 20
Tj(C)
40 60 80 100 120 140
Figure 9.
Relative variation of critical rate of decrease of main current versus (dV/dt)c (typical values)
Figure 10. Relative variation of critical rate of decrease of main current versus (dV/dt)c
(dI/dt)c [Tj] / (dI/dt)c [Tj specified]
6 5 4
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
2.4 2.2 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
T2535/CW/BW B
3 2 1
(dV/dt)c (V/s)
0 0 25 50
Tj(C)
75 100 125
Figure 11. D2PAK Thermal resistance junction to ambient versus copper surface under tab (printed circuit board FR4, copper thickness: 35 m)
Rth(j-a)(C/W)
80 70 60 50 40 30 20 10 0 0 4 8 12 16 20 24 28 32 36 40
D2PAK
S(cm)
5/12
Ordering information scheme
BTA24, BTB24, BTA25, BTA26 and T25 series
2
Ordering information scheme
Figure 12. BTA and BTB series
BT A 24 - 600 BW RG
Triac series Insulation A = insulated B = non insulated Current 24 = 25A in TO-220AB 25 = 25A in RD91 26 = 25A in TOP3 Voltage 600 = 600V 800 = 800V Sensitivity and type B = 50mA Standard CW = 35mA Snubberless Packing mode RG = Tube BW = 50mA Snubberless
Figure 13. T25 series
T 25 35 - 600 G (-TR)
Triac series Current 25 = 25A Sensitivity 35 = 35mA Voltage 600 = 600V 800 = 800V Package G = D2PAK Packing mode Blanck = Tube -TR = Tape & Reel
Table 6.
Product Selector
Voltage (xxx) Sensitivity 600 V 800 V X X X X X X X X X X 50 mA 50 mA 35 mA 50 mA 50 mA 35 mA 50 mA 50 mA 35 mA 35 mA Standard Snubberless Snubberless Standard Snubberless Snubberless Standard Snubberless Snubberless Snubberless TO-220AB TO-220AB TO-220AB RD91 RD91 RD91 TOP3 Ins. TOP3 Ins. TOP3 Ins. D2PAK X X X X X X X X X X Type Package
Part Numbers BTA24-xxxBRG BTA/BTB(1)24-xxxBWRG BTA/BTB(1)24-xxxCWRG BTA25-xxxBRG BTA25-xxxBWRG BTA25-xxxCWRG BTA26-xxxBRG BTA26-xxxBWRG BTA26-xxxCWRG T2535-xxxG
1. BTB: non insulated TO-220AB package
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BTA24, BTB24, BTA25, BTA26 and T25 series
Package information
3
Package information
Table 7. D2PAK Package dimensions
DIMENSIONS REF. Millimeters Min.
A E L2 C2
Inches Min. 0.169 0.098 0.001 0.027 0.048 0.055 Typ. Max. 0.181 0.106 0.009 0.037
Typ.
Max. 4.60 2.69 0.23 0.93
A A1 A2
D
4.30 2.49 0.03 0.70 1.25 0.45 1.21 8.95 10.00 4.88 15.00 1.27 1.40 0.40 0 1.40
B B2
L L3 A1 B2 B R
C
C
0.60 1.36 9.35
0.017 0.047 0.352
0.024 0.054 0.368 0.405 0.208 0.624 0.055 0.069 0.016
C2 D
G
E
A2 2mm min. FLAT ZONE
10.28 0.393 5.28 0.192
G L
V2
15.85 0.590 1.40 1.75 0.050 0.055
L2 L3 R V2
8
0
8
Figure 14. D2PAK Foot Print Dimensions (in millimeters)
16.90
10.30 1.30
5.08
8.90
3.70
7/12
Package information Table 8. RD91 Package dimensions
BTA24, BTB24, BTA25, BTA26 and T25 series
DIMENSIONS REF. Millimeters Min.
A2 L2 L1
Inches Min. Max. 1.575 1.177 1.193 0.867 1.063 0.531 0.650 0.945 0.551 0.138 0.077 0.027 0.157 0.441 0.122 0.067 33 28 0.118 0.035 0.177 0.535 0.138 0.075 43 38
Max. 40.00
A A1 A2 29.90
30.30 22.00 27.00
B2 C B1
B B1
C2 A1 C1
13.50
16.50 24.00 14.00 3.50
B2 C
N2
N1 B F
C1 C2 E3 F I L1 L2 N1 N2 1.95 0.70 4.00 11.20 3.10 1.70 33 28
3.00 0.90 4.50 13.60 3.50 1.90 43 38
E3 I A
8/12
BTA24, BTB24, BTA25, BTA26 and T25 series Table 9. TOP3 Insulated package dimensions
Package information
DIMENSIONS REF. Millimeters Min.
H R B A
Inches Min. 0.173 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
Typ.
Max. 4.6
A B C
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
OL
1.55 0.057 15.60 0.565 0.7 2.9 0.020 0.106
K
D
F G
E F
P
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
G
C
H
J J D E
J K OL P R
9/12
Package information Table 10.
BTA24, BTB24, BTA25, BTA26 and T25 series TO-220AB (Insulated and non-insulated) Package dimensions
DIMENSIONS REF. Millimeters Min. A a1
B OI L F A b2 C
Inches Min. Typ. Max. 0.625 0.147
Typ.
Max.
15.20 3.75 13.00 10.00 0.61 1.23 4.40 0.49 2.40 2.40 6.20 3.75
15.90 0.598
a2 B b1 b2 C
14.00 0.511 10.40 0.393 0.88 1.32 4.60 0.70 2.72 2.70 6.60 3.85 0.024 0.048 0.173 0.019 0.094 0.094 0.244 0.147
0.551 0.409 0.034 0.051 0.181 0.027 0.107 0.106 0.259 0.151
I4 l3 a1 l2 c2
c1 c2 e
a2
M b1 e c1
F OI I4 L l2 l3 M
15.80 16.40 16.80 0.622 0.646 0.661 2.65 1.14 1.14 2.60 2.95 1.70 1.70 0.104 0.044 0.044 0.102 0.116 0.066 0.066
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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.
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BTA24, BTB24, BTA25, BTA26 and T25 series
Ordering information
4
Ordering information
Ordering type BTA/BTB24-xxxyyzRG BTA25-xxxyyzRG BTA26-xxxyzRG T2535-xxxG T2535-xxxG-TR Marking BTA/BTB24xxxyyz BTA25-xxxyyz BTA26-xxxyyz T2535xxxG T2535xxxG Package TO-220AB RD91 TOP3 Ins. D2PAK Weight 2.3 g 20 g 4.5 g 1.5 g 1000 Tape and reel Base qty Delivery mode 50 25 30 50 Tube Bulk Tube Tube
Note: xxx = voltage, yy = sensitivity, z = type
5
Revision History
Date Oct-2002 13-Feb-2006 31-May-2006 31-Jul-2006 Revision 6A 7 8 9 Description of 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)
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BTA24, BTB24, BTA25, BTA26 and T25 series
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