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BTA12, BTB12, T12xx
12 A SnubberlessTM, logic level and standard triacs
Features

A2
Medium current triac Low thermal resistance with clip bonding Low thermal resistance insulation ceramic for insulated BTA High commutation (4Q) or very high commutation (3Q) capability BTA series UL1557 certified (File ref: 81734) Packages are RoHS ( 2002/95/EC) compliant
A1 A2 G A2
G A1
A2
A1 A2 G
D2PAK (T12-G)
I2PAK (T12-R)
A2
Applications
ON/OFF or phase angle function in applications such as static relays, light dimmers and appliance motors speed controllers. The snubberless versions (BTA/BTB...W and T12 series) are especially recommended for use on inductive loads, because of their high commutation performances. The BTA series provides an insulated tab (rated at 2500 V RMS).
A1 A2 G A1 A2 G
TO-220AB Insulated (BTA12)
TO-220AB (BTB12)
Order code
See Ordering information on page 11
Description
Available either in through-hole or surface-mount packages, the BTA12, BTB12 and T12xx triac series is suitable for general purpose mains power AC switching. Table 1. Device summary
Parameter RMS on-state current Repetitive peak off-state voltage Triggering gate current Triggering gate current T12xx 12 600/800 10/35/50 BTA12 (1) 12 600/800 5/10/35/50 35/50 BTB12 12 600/800 5/10/35/50 35/50
Symbol IT(RMS) VDRM/VRRM IGT (Snubberless) IGT (Standard)
1.
Insulated
TM: Snubberless is a trademark of STMicroelectronics
September 2007
Rev 9
1/12
www.st.com 12
Characteristics
BTA12, BTB12, T12xx
1
Table 2.
Symbol
Characteristics
Absolute maximum ratings
Parameter RMS on-state current (full sine wave) Non repetitive surge peak on-state current (full cycle, Tj initial = 25 C) I2t 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 I2PAK / D2PAK / TO-220AB TO-220AB Ins. 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 ITSM I2t dI/dt Tc = 105 C Tc = 90 C t = 20 ms t = 16.7 ms 120 A 126 78 50 VDRM/VRRM + 100 4 1 - 40 to + 150 - 40 to + 125 As A/s V A W C Value Unit
IT(RMS)
12
A
VDSM/VRSM IGM PG(AV) Tstg Tj
Table 3.
Electrical characteristics (Tj = 25C, unless otherwise specified)
Snubberless and logic level (3 quadrants)
T12xx Symbol IGT (1) VGT VGD IH (2) IL dV/dt (2) Test conditions Quadrant T1210 VD = 12 V RL = 30 VD = VDRM RL = 3.3 k Tj = 125 C IT = 100 mA I - III IG = 1.2 IGT MAX. II MIN. 30 40 6.5 MIN. 2.9 6.5 12 60 500 80 1000 15 20 3.5 1 I - II - III I - II - III I - II - III MAX. MAX. MIN. MAX. 15 25 35 50 50 70 10 T1235 35 T1250 50 1.3 0.2 10 10 TW 5
BTA12 / BTB12 Unit SW 10 CW 35 BW 50 mA V V 15 25 30 40 6.5 2.9 6.5 12 A/ms 35 50 60 500 50 70 mA 80 1000 V/s mA
VD = 67 %VDRM gate open Tj = 125 C (dV/dt)c = 0.1 V/s Tj = 125 C
(dI/dt)c (2)
(dV/dt)c = 10 V/s Tj = 125 C Without snubber Tj= 125 C
1. Minimum IGT is guaranted at 5% of IGT max 2. for both polarities of A2 referenced to A1
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BTA12, BTB12, T12xx Table 4. Electrical characteristics (Tj = 25C, unless otherwise specified)
standard (4 quadrants)
Characteristics
BTA12 / BTB12 Symbol Test Conditions Quadrant C IGT (1) VGT VGD IH (2) IL dV/dt (2) (dV/dt)c (2) VD = VDRM RL = 3.3 k Tj = 125 C IT = 500 mA I - III - IV IG = 1.2 IGT VD = 67% VDRM gate open Tj = 125 C (dI/dt)c = 5.3 A/ms Tj = 125 C MAX. II MIN. MIN. 80 200 5 100 400 10 V/s V/s I - II - III IV ALL ALL MAX. MAX. MIN. MAX. 25 40 25 50 1.3 0.2 50 50 mA B 50 100 mA V V mA Unit
VD = 12 V
RL = 30
1. Minimum IGT is guaranted at 5% of IGT max. 2. for both polarities of A2 referenced to A1.
Table 5.
Symbol VT (1) Vt0 (1) Rd (1) IDRM IRRM
Static characteristics
Test conditions ITM = 17 A tp = 380 s Tj = 25 C Tj = 125 C Tj = 125 C Tj = 25 C Tj= 125 C MAX. MAX. MAX. MAX. 1 mA Value 1.55 0.85 35 5 Unit V V m A
Threshold voltage Dynamic resistance VDRM = VRRM
1. for both polarities of A2 referenced to A1
Table 6.
Symbol Rth(j-c)
Thermal resistance
Parameter I2 Junction to case (AC) TO-220AB insulated Junction to ambient S(1) = 1 cm2 D2PAK TO-220AB / PAK TO-220AB insulated I2 2.3 45 C/W 60 PAK / D PAK / TO-220AB
2
Value 1.4
Unit C/W
Rth(j-a)
1. Copper surface under tab.
3/12
Characteristics
BTA12, BTB12, T12xx
Figure 1.
P(W)
16 14 12 10 8 6 4 2 0 0 1 2
Maximum power dissipation versus Figure 2. RMS on-state current (full cycle)
IT(RMS)(A)
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 8 9 10 11 12 0
RMS on-state current versus case temperature (full cycle)
BTB / T12
BTA
IT(RMS)(A)
3 4 5 6 7
TC(C)
25 50 75 100 125
Figure 3.
RMS on-state current versus ambient temperature (printed circuit board FR4, copper thickness: 35m) (full cycle)
Figure 4.
Relative variation of thermal impedance versus pulse duration
IT(RMS)(A)
3.5 3.0 2.5
D2PAK (S=1cm2)
K=[Zth/Rth]
1E+0
Zth(j-c)
Zth(j-a)
2.0 1E-1 1.5 1.0 0.5
TC(C)
0.0 0 25 50 75 100 125
1E-2 1E-3 1E-2 1E-1
tp(s)
1E+0 1E+1 1E+2 5E+2
Figure 5.
ITM(A)
100
Tj max. Vto = 0.85V Rd = 35 m
On-state characteristics (maximum Figure 6. values)
ITSM(A)
130 120 110 100 90 80 70 60 50 40 30 20 10 0
3.5 4.0 4.5 5.0
Surge peak on-state current versus number of cycles
t=20ms
Tj = Tj max.
Non repetitive Tj initial=25C
One cycle
10
Tj = 25C.
Repetitive TC=90C
VTM(V)
1 0.5 1.0 1.5 2.0 2.5 3.0
Number of cycles
1 10 100 1000
4/12
BTA12, BTB12, T12xx
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
2.5
Tj initial=25C
Figure 8: Relative variation of gate trigger current, holding current and latching current versus junction temperature (typical values)
ITSM(A), I2t (A2s)
1000
dI/dt limitation: 50A/s
IGT,IH,IL[Tj] / IGT,IH,IL[Tj=25C]
2.0
ITSM IGT
1.5
100
I2t
IH & IL
1.0
0.5
tp(ms)
10 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) (BW/CW/T1210/T1235)
Figure 10. Relative variation of critical rate of decrease of main current versus (dV/dt)c (typical values) (TW)
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
5.0 4.5
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
2.8 2.4 2.0 1.6 1.2 0.8 0.4
C B T1235/T1250/CW/BW T1210/SW
4.0
TW
3.5 3.0 2.5 2.0 1.5 1.0
(dV/dt)c (V/s)
0.0 0.1 1.0 10.0 100.0
0.5 0.0
(dV/dt)c (V/s)
0.1 1.0 10.0 100.0
Figure 11. Relative variation of critical rate of decrease of main current versus junction temperature
(dI/dt)c [Tj] / (dI/dt)c [Tj specified]
6 5 4
Figure 12. 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
3 2 1
40 30 20 10
D2PAK
Tj(C)
0 0 25 50 75 100 125
0 0 4 8 12 16
S(cm)
20 24 28 32 36 40
5/12
Ordering information scheme
BTA12, BTB12, T12xx
2
Ordering information scheme
Figure 13. BTA12 and BTB12 series
BT A 12 - 600 BW RG Triac series Insulation A = insulated B = non insulated Current 12 = 12A Voltage 600 = 600V 800 = 800V Sensitivity and type B = 50mA Standard C = 25mA Standard SW = 10mA Logic Level Packing mode RG = Tube BW = 50mA Snubberless CW = 35mA Snubberless TW = 5mA Logic Level
Figure 14. T12xx series
T 12 35 - 600 G (-TR) Triac series Current 12 = 12 A Sensitivity 50 = 50 mA 35 = 35 mA 10 = 10 mA Voltage 600 = 600 V 800 = 800 V Package G = D2PAK R = I2PAK Packing mode Blank = Tube -TR = Tape & Reel
6/12
BTA12, BTB12, T12xx Table 7. Product selector
Voltage (xxx)
Ordering information scheme
Order code(1) BTA/BTB12-xxxBRG BTA/BTB12-xxxBWRG BTA/BTB12-xxxCRG BTA/BTB12-xxxCWRG BTA/BTB12-xxxSWRG BTA/BTB12-xxxTWRG T1210-800G T1235-xxxG T1235-xxxR T1250-600G
Sensitivity 600 V X X X X X X X X X 800 V X X X X X X X X X 50 mA 50 mA 25 mA 35 mA 10 mA 5 mA 10 mA 35 mA 35 mA 50 mA
Type Standard Snubberless Standard Snubberless Logic Level Logic Level Logic Level Snubberless Snubberless Snubberless
Package TO-220AB TO-220AB TO-220AB TO-220AB TO-220AB TO-220AB D2PAK D2PAK I2PAK D2PAK
1. BTB: non insulated TO-220AB package
7/12
Packaging information
BTA12, BTB12, T12xx
3
Packaging information
Epoxy meets UL94, V0
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. Table 8. D2PAK dimensions
Dimensions Ref. Millimeters Min. A
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
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
A1 A2 B
D
L L3 A1
B2 C C2
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
B2 B G
C
R
D E
10.28 0.393 5.28 0.192
A2 2mm min. FLAT ZONE
G L
V2
15.85 0.590 1.40 1.75 0.050 0.055
L2 L3 R V2
8
0
8
Figure 15. Footprint (dimensions in mm)
16.90
10.30 1.30
5.08
8.90
3.70
8/12
BTA12, BTB12, T12xx Table 9. I2PAK dimensions
Packaging information
Dimensions Ref. Millimeters Min.
A E L2 c2 V
Inches Min. Typ. Max. 0.181 0.106 0.037 0.054
Typ.
Max.
A A1 b b1
4.30 2.49 0.70 1.20 1.25 0.45 1.21 8.95 2.44 10.00 13.10 3.75 1.27 5 45 1.40
4.60 0.169 2.69 0.098 0.93 0.028 1.38 0.047 0.049 0.055 0.60 0.018 1.36 0.048 9.35 0.352 2.64 0.096 10.28 0.394 13.60 0.516 0.148 1.40 0.050 5 45
D
V4 V
b2 c c2 D e
0.024 0.054 0.368 0.104 0.405 0.535
L1 b2 L b1
A1
E
V4 e b c
L L1 L2 V V4
0.055
9/12
Packaging information Table 10.
BTA12, BTB12, T12xx TO-220AB dimensions (insulated and non-insulated)
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 0.024 1.32 0.048 4.60 0.173 0.70 0.019 2.72 0.094 2.70 0.094 6.60 0.244 3.85 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
a2
e
M
F
c1
b1 e
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 0.104 1.70 0.044 1.70 0.044 0.102 0.116 0.066 0.066
10/12
BTA12, BTB12, T12xx
Ordering information
4
Ordering information
Table 11. Ordering information
Marking BTA/BTB12-xxxyz T1210-xxxG T1235xxxG T1235xxxG T1235-xxxR T1250xxxG I2PAK D
2PAK
Order code BTA/BTB12-xxxyzRG T1210-xxxG-TR T1235-xxxG T1235-xxxG-TR T1235-xxxR T1250-xxxG-TR
Package TO-220AB D2 PAK
Weight 2.3 g 1.5 g 1.5 g
Base qty 50 1000 50 1000
Delivery mode Tube Tape and reel Tube Tape and reel Tube Tape and reel
D2PAK
1.5 g 1.5 g
50 1000
Note: xxx = voltage, y = sensitivity, z = type
5
Revision history
Table 12.
Date Sep-2002 25-Mar-2005 27-May-2005 28-Sep-2007
Revision history
Revision 6A 7 8 9 Last update. 1. I2PAK package added. 2. TO-220AB delivery mode changed from bulk to tube. T1210 added Reformatted to current standards. T1250 added Changes
11/12
BTA12, BTB12, T12xx
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