Datasheet BTA12, BTB12 Datasheet (ST)

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12 A Snubberless™, logic level and standard triacs

BTA12, BTB12, T12xx

Features

■ 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

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).

Description

A2

G

A1

A2

A1

A2

G

D2PAK

(T12-G)

A1

A2

G

TO-220AB Insulated

(BTA12)

A1

A2

G

I

(T12-R)

A1

A2

G

TO-220AB

(BTB12)

2

PAK

Order code

See Ordering information on page 11

A2

A2

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

Symbol Parameter T12xx BTA12

I

T(RMS)

V

DRM/VRRM

(Snubberless) Triggering gate current 10/35/50 5/10/35/50 5/10/35/50

I

GT

I

(Standard) Triggering gate current - 35/50 35/50

GT

1.

Insulated

TM: Snubberless is a trademark of STMicroelectronics

RMS on-state current 12 12 12

Repetitive peak off-state voltage 600/800 600/800 600/800

September 2007 Rev 9 1/12

(1)

BTB12

www.st.com

12

Characteristics BTA12, BTB12, T12xx

1 Characteristics

Table 2. Absolute maximum ratings

Symbol Parameter Value Unit

2

I

PAK / D2PA K /

I

T(RMS)

RMS on-state current
(full sine wave)

TO-220AB

TO-220AB Ins. Tc = 90° C

I

TSM

2

I

dI/dt

V

DSM/VRSM

I

GM

P

G(AV)

T

stg

T

Table 3. Electrical characteristics (Tj = 25°C, unless otherwise specified)

Non repetitive surge peak on-state
current (full cycle, T

tI

2

t Value for fusing tp = 10 ms 78 A²s

initial = 25° C)

j

Critical rate of rise of on-state current

= 2 x IGT , tr ≤ 100 ns

I

G

Non repetitive surge peak off-state
voltage

Peak gate current tp = 20 µs Tj = 125° C 4 A

Average gate power dissipation Tj = 125° C 1 W

Storage junction temperature range
Operating junction temperature range

j

Snubberless and logic level (3 quadrants)

F = 50 Hz t = 20 ms 120

F = 60 Hz t = 16.7 ms 126

F = 120 Hz T

= 10 ms Tj = 25° C

t

p

= 105° C

T

c

= 125° C 50 A/µs

j

12 A

V

DRM/VRRM

+ 100

- 40 to + 150

- 40 to + 125

A

V

°C

Symbol Test conditions Quadrant

(1)

I

GT

V

V

I

GT

GD

H

(2)

VD = 12 V

= 30 Ω

R

L

VD = V

= 3.3 kΩ

R

L

= 125° C

T

j

DRM

IT = 100 mA MAX. 15 35 50 10 15 35 50 mA

I - II - III MAX. 10 35 50 5 10 35 50 mA

I - II - III MAX. 1.3 V

I - II - III MIN. 0.2 V

I - III

I

L

dV/dt

(2)

IG = 1.2 I

GT

VD = 67 %V
Tj = 125° C

gate open

DRM

II 30 60 80 15 30 60 80

(dV/dt)c = 0.1 V/µs
Tj = 125° C

(dV/dt)c = 10 V/µs

(dI/dt)c

(2)

= 125° C

T

j

Without snubber

= 125° C

T

j

1. Minimum IGT is guaranted at 5% of IGT max

2. for both polarities of A2 referenced to A1

T12xx BTA12 / BTB12

Unit

T1210 T1235 T1250 TW SW CW BW

25 50 70 10 25 50 70

MAX.

mA

MIN. 40 500 1000 20 40 500 1000 V/µs

6.5 3.5 6.5

MIN.

2.9 1 2.9

A/ms

6.5 12 6.5 12

2/12

BTA12, BTB12, T12xx Characteristics

Table 4. Electrical characteristics (Tj = 25°C, unless otherwise specified)

standard (4 quadrants)

BTA12 / BTB12

Symbol Test Conditions Quadrant

CB

Unit

(1)

I

GT

V

GT

V

GD

(2)

I

H

I

L

dV/dt

(dV/dt)c

1. Minimum IGT is guaranted at 5% of IGT max.

2. for both polarities of A2 referenced to A1.

Table 5. Static characteristics

VD = 12 V RL = 30 Ω

VD = V

RL = 3.3 kΩ Tj = 125° C ALL MIN. 0.2 V

DRM

IT = 500 mA MAX. 25 50 mA

IG = 1.2 I

(2)

VD = 67% V

(2)

(dI/dt)c = 5.3 A/ms Tj = 125° C MIN. 5 10 V/µs

GT

gate open Tj = 125° C MIN. 200 400 V/µs

DRM

I - II - III

IV

MAX.

ALL MAX. 1.3 V

I - III - IV

MAX.

II 80 100

25
50

50

100

40 50

Symbol Test conditions Value Unit

(1)

V

T

V

t0

R

d

I

DRM

I

RRM

1. for both polarities of A2 referenced to A1

Table 6. Thermal resistance

ITM = 17 A tp = 380 µs Tj = 25° C MAX. 1.55 V

(1)

Threshold voltage Tj = 125° C MAX. 0.85 V

(1)

Dynamic resistance Tj = 125° C MAX. 35 mΩ

Tj = 25° C

V

DRM

= V

RRM

= 125° C 1 mA

T

j

MAX.

5µA

mA

mA

Symbol Parameter Value Unit

2

I

R

th(j-c)

Junction to case (AC)

Junction to ambient S

R

th(j-a)

1. Copper surface under tab.

(1)

= 1 cm

PAK / D2PAK / TO-220AB 1.4

TO-220AB insulated 2.3

2

D2PA K 4 5

TO-220AB / I

2

PA K

TO-220AB insulated

60

3/12

°C/W

°C/W

Characteristics BTA12, BTB12, T12xx

Figure 1. Maximum power dissipation versus

RMS on-state current (full cycle)

P(W)

16

14

12

10

8

6

4

2

0

0 1 2 3 4 5 6 7 8 9 10 11 12

I (A)

T(RMS)

Figure 3. RMS on-state current versus

ambient temperature (printed
circuit board FR4, copper
thickness: 35µm) (full cycle)

I (A)

T(RMS)

3.5

2

3.0

2.5

2.0

1.5

1.0

0.5

0.0
0 25 50 75 100 125

T (°C)

C

DPAK

(S=1cm )

2

Figure 2. RMS on-state current versus case

temperature (full cycle)

I (A)

T(RMS)

14
13

12

11

10

9
8
7
6
5

4
3

2
1
0

0

25 50 75 100 125

T (°C)

C

BTB / T12

BTA

Figure 4. Relative variation of thermal

impedance versus pulse duration

K=[Z /R

1E+0

1E-1

1E-2

1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 5E+2

th th

Z

th(j-c)

]

Z

th(j-a)

t (s)

p

Figure 5. On-state characteristics (maximum

values)

I (A)

TM

100

T max.

j

V = 0.85V

to

Ω

R = 35 m

d

T=jT max.

j

10

1

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

4/12

T = 25°Cj.

V (V)

TM

Figure 6. Surge peak on-state current versus

number of cycles

I (A)

TSM

130
120
110
100

90
80
70
60

Repetitive

T =90°C

50
40
30
20
10

0

C

1

Non repetitive
T initial=25°C

j

Number of cycles

10 100 1000

t=20ms

One cycle

BTA12, BTB12, T12xx Characteristics

Figure 7. Non-repetitive surge peak on-state

current for a sinusoidal pulse with
width t
value of I

dI/dt limitation:

50A/µs

22

I (A), I t (A s)

TSM

1000

100

10

0.01 0.10 1.00 10.00

< 10 ms and corresponding

p

2

t

T initial=25°C

j

I

TSM

2

I t

t (ms)

p

Figure 9. Relative variation of critical rate of

decrease of main current versus
(dV/dt)c (typical values)
(BW/CW/T1210/T1235)

(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c

2.8

2.4

2.0

1.6

1.2

0.8

0.4

0.0

T1210/SW

C

B

T1235/T1250/CW/BW

(dV/dt)c (V/µs)

0.1 1.0 10.0 100.0

Figure 11. Relative variation of critical rate of

decrease of main current versus
junction temperature

Figure 8. Figure 8: 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

1.0

0.5

0.0

-40 -20 0 20 40 60 80 100 120 140

I ,I ,I [T =25°C]

GT H L j

I

GT

IH& I

L

T (°C)

j

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

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

Figure 12. D

TW

(dV/dt)c (V/µs)

0.1

1.0 10.0 100.0

2

PAK thermal resistance junction
to ambient versus copper surface
under tab (printed circuit board
FR4, copper thickness: 35 µm)

(dI/dt)c [T ] / pecified]

6

5

4

3

2

1

0

0 25 50 75 100 125

(dI/dt)c [T s

j

j

T (°C)

j

R (°C/W)

th(j-a)

80

70

60

50

40

30

20

10

0

2

DPAK

S(cm²)

0 4 8 1216202428323640

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 BW = 50mA Snubberless
C = 25mA Standard CW = 35mA
SW = 10mA Logic Level TW = 5mA Logic Level

Packing mode

RG = Tube

Snubberless

Figure 14. T12xx series

Triac series

Current

12 = 12 A

Sensitivity

50 = 50 mA
35 = 35 mA
10 = 10 mA

Voltage

600 = 600 V
800 = 800 V

Package

2

G = D PAK

2

R = I PAK

Packing mode

Blank = Tube

-TR = Tape & Reel

T 12 35 - 600 G (-TR)

6/12

BTA12, BTB12, T12xx Ordering information scheme

Table 7. Product selector

Voltage (xxx)

Sensitivity Type Package

Order code

(1)

600 V 800 V

BTA/BTB12-xxxBRG X X 50 mA Standard TO-220AB

BTA/BTB12-xxxBWRG X X 50 mA Snubberless TO-220AB

BTA/BTB12-xxxCRG X X 25 mA Standard TO-220AB

BTA/BTB12-xxxCWRG X X 35 mA Snubberless TO-220AB

BTA/BTB12-xxxSWRG X X 10 mA Logic Level TO-220AB

BTA/BTB12-xxxTWRG X X 5 mA Logic Level TO-220AB

2

2

2

PA K

2

PA K

PA K

PA K

T1210-800G - X 10 mA Logic Level D

T1235-xxxG X X 35 mA Snubberless D

T1235-xxxR X X 35 mA Snubberless I

T1250-600G X - 50 mA Snubberless D

1. BTB: non insulated TO-220AB package

7/12

Packaging information BTA12, BTB12, T12xx

D

3 Packaging information

● Epoxy meets UL94, V0

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. D

2

PAK dimensions

Dimensions

Ref.

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

A 4.30 4.60 0.169 0.181

A

L2

E

C2

A1 2.49 2.69 0.098 0.106

A2 0.03 0.23 0.001 0.009

B 0.70 0.93 0.027 0.037

L

L3

G

B2

B

A1

2mm min.
FLAT ZONE

C

R

A2

V2

B2 1.25 1.40 0.048 0.055

C 0.45 0.60 0.017 0.024

C2 1.21 1.36 0.047 0.054

D 8.95 9.35 0.352 0.368

E 10.00 10.28 0.393 0.405

G 4.88 5.28 0.192 0.208

L 15.00 15.85 0.590 0.624

L2 1.27 1.40 0.050 0.055

L3 1.40 1.75 0.055 0.069

R 0.40 0.016

V2 0° 8° 0° 8°

Figure 15. Footprint (dimensions in mm)

10.30

8.90

8/12

16.90

5.08

1.30

3.70

BTA12, BTB12, T12xx Packaging information

Table 9. I2PAK dimensions

Dimensions

L2

Ref.

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

A

E

c2

A 4.30 4.60 0.169 0.181

A1 2.49 2.69 0.098 0.106

b 0.70 0.93 0.028 0.037

V

b1 1.20 1.38 0.047 0.054

b2 1.25 1.40 0.049 0.055

D

L1

b2

L

b1

A1

V4

c 0.45 0.60 0.018 0.024

V

c2 1.21 1.36 0.048 0.054

D 8.95 9.35 0.352 0.368

e 2.44 2.64 0.096 0.104

E 10.00 10.28 0.394 0.405

V4

b

e

c

L 13.10 13.60 0.516 0.535

L1 3.75 0.148

L2 1.27 1.40 0.050 0.055

V5° 5°

V4 45° 45°

9/12

Packaging information BTA12, BTB12, T12xx

Table 10. TO-220AB dimensions (insulated and non-insulated)

Dimensions

Ref.

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

A 15.20 15.90 0.598 0.625

a1 3.75 0.147

B

Ø I

C

b2

a2 13.00 14.00 0.511 0.551

B 10.00 10.40 0.393 0.409

L

A

I4

l3

a1

l2

e

a2

b1

F

b1 0.61 0.88 0.024 0.034

b2 1.23 1.32 0.048 0.051

C 4.40 4.60 0.173 0.181

c2

c1 0.49 0.70 0.019 0.027

c2 2.40 2.72 0.094 0.107

e 2.40 2.70 0.094 0.106

M

F 6.20 6.60 0.244 0.259

c1

ØI 3.75 3.85 0.147 0.151

I4 15.80 16.40 16.80 0.622 0.646 0.661

L 2.65 2.95 0.104 0.116

l2 1.14 1.70 0.044 0.066

l3 1.14 1.70 0.044 0.066

M2.60 0.102

10/12

BTA12, BTB12, T12xx Ordering information

4 Ordering information

Table 11. Ordering information

Order code Marking Package Weight Base qty

BTA/BTB12-xxxyzRG BTA/BTB12-xxxyz TO-220AB 2.3 g 50 Tube

T1210-xxxG-TR T1210-xxxG D

T1235-xxxG T1235xxxG

T1235-xxxG-TR T1235xxxG 1000 Tape and reel

T1235-xxxR T1235-xxxR I

T1250-xxxG-TR T1250xxxG D

Note: xxx = voltage, y = sensitivity, z = type

5 Revision history

Table 12. Revision history

Date Revision Changes

Sep-2002 6A Last update.

25-Mar-2005 7

Delivery

mode

2

PAK 1.5 g 1000 Tape and reel

2

PA K 1. 5 g

D

2

PAK 1.5 g 50 Tube

2

PAK 1.5 g 1000 Tape and reel

50 Tube

1. I2PAK package added.

2. TO-220AB delivery mode changed from bulk to tube.

27-May-2005 8 T1210 added

28-Sep-2007 9 Reformatted to current standards. T1250 added

11/12

BTA12, BTB12, T12xx

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