SST12 Series
Technical Data
Data Sheet N2145, Rev.-
SST12 Series 12A TRIACs
Circuit Diagram
TO-220A(Ins)
TO-220B(Non-Ins)
Description
With high ability to withstand the shock loading of large current, SST12 series triacs provide high dv/dt rate with
strong resistance to electromagnetic interface. With high commutation performances, 3 quadrants products especially
recommended for use on inductive load.
Maximum Ratings:
Characteristics
Symbol
Storage junction temperature range
Condition
Max.
Units
Tstg
-
-40-150
℃
Tj
-
-40-125
℃
Repetitive peak off-state voltage(Tj=25℃)
VDRM
-
600/800
V
Repetitive peak reverse voltage(Tj=25℃)
VRRM
-
600/800
V
Non repetitive surge peak Off-state voltage
VDSM
-
VDRM +100
V
Non repetitive peak reverse voltage
VRSM
-
VRRM +100
V
12
A
120
A
Operating junction temperature range
RMS on-state current
Non repetitive surge peak on-state current
(full cycle, F=50Hz)
I2t value for fusing (tp=10ms)
Critical rate of rise of on-state current
(IG=2×IGT)
Peak gate current
Average gate power dissipation
Peak gate power
I(TRMS)
ITSM
TO-220A(Ins)(TC=90℃)
TO-220B(Non-Ins)(TC=105℃)
-
I2t
-
78
A2 s
dI/dt
-
50
A/μs
IGM
4
A
PG(AV)
-
1
W
PGM
-
5
W
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SST12 Series
Technical Data
Data Sheet N2145, Rev.-
Electrical Characteristics(Tj=25℃ unless otherwise specified)
3 Quadrants
Symbol
IGT
Test Condition
VD =12V RL =33Ω
VGT
VD =VDRM Tj =125℃ RL
=3.3KΩ
VGD
Value
Quadrant
BW
CW
50
35
Unit
Ⅰ-Ⅱ-Ⅲ
MAX
Ⅰ-Ⅱ-Ⅲ
MAX
1.3
V
Ⅰ-Ⅱ-Ⅲ
MIN
0.2
V
Ⅰ-Ⅲ
80
50
90
60
IL
IG =1.2IGT
IH
IT =100mA
MAX
60
40
mA
VD=2/3VDRM Gate Open Tj =125℃
MIN
1000
500
V/μs
dV/dt
Ⅱ
MAX
mA
4 Quadrants
Symbol
Test Condition
Ⅰ-Ⅱ-Ⅲ
IGT
VD =12V RL =33Ω
Ⅳ
VGT
VD =VDRM Tj =125℃
RL =3.3KΩ
VGD
Value
Quadrant
MAX
B
C
50
25
70
50
mA
Unit
mA
ALL
MAX
1.3
V
ALL
MIN
0.2
V
Ⅰ-Ⅲ-Ⅳ
50
40
80
IG =1.2IGT
IH
IT =100mA
MAX
50
25
mA
VD=2/3VDRM Gate Open Tj=125℃
MIN
500
200
V/μs
dV/dt
Ⅱ
MAX
100
IL
mA
Static Characteristics
Symbol
VTM
Parameter
ITM =17A tp=380μs
IDRM
IRRM
VD =VDRM VR =VRRM
Value(MAX)
Unit
Tj=25℃
1.5
V
Tj=25℃
5
μA
Tj=125℃
1
mA
Value
Units
TO-220A(Ins)
2.3
℃/W
TO-220B(Non-Ins)
1.4
℃/W
Thermal Resistances
Symbol
Rth(j-c)
Condition
Junction to case(AC)
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SST12 Series
Technical Data
Data Sheet N2145, Rev.-
Ordering Information
S ST 12 A -800 BW
SMC Diode Solutions
BW: IGT1-3 ≤ 50mA
CW: IGT1-3 ≤ 35mA
Triacs
IT(RMS):12A
600:VDRM/VRRM ≥ 600V
800:VDRM/VRRM ≥ 800V
A: TO-220A(Ins)
B:TO-220B(Non-Ins)
Device
SST12A-800CW, SST12A-800BW, SST12A-600BW
SST12B-800CW, SST12B-800BW
Package
TO-220A(Ins)
TO-220B(Non-Ins)
Shipping
50pcs/ Tube
50pcs/ Tube
Marking Diagram
Where XXXXX is YYWWL
SST12A-800BW
SST12B-800BW
YY
WW
L
= Part name
= Part name
= Year
= Week
= Lot Number
Mechanical Dimensions TO-220A(Ins)
SYMBOL
Millimeters
Min.
A
B
C
C2
C3
D
E
F
G
H
L1
L2
L3
V1
4.40
0.61
0.46
1.21
2.40
8.60
9.60
6.55
28.0
1.14
2.65
Typ.
2.54
3.75
45°
Inches
Max.
Min.
4.60
0.88
0.70
1.32
2.72
9.70
10.4
6.95
0.173
0.024
0.018
0.048
0.094
0.339
0.378
0.258
29.8
1.102
1.70
2.95
0.045
0.104
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Typ.
0.1
0.148
45°
Max.
0.181
0.035
0.028
0.052
0.107
0.382
0.409
0.274
1.173
0.067
0.116
SST12 Series
Technical Data
Data Sheet N2145, Rev.-
Mechanical Dimensions TO-220B(Non-Ins)
SYMBOL
Millimeters
Min.
A
B
C
C2
C3
D
E
F
G
H
L1
L2
L3
V1
4.40
0.61
0.46
1.21
2.40
8.60
9.60
6.20
28.0
1.14
2.65
Typ.
2.54
3.75
45°
Inches
Max.
Min.
4.60
0.88
0.70
1.32
2.72
9.70
10.4
6.60
0.173
0.024
0.018
0.048
0.094
0.339
0.378
0.244
29.8
1.102
1.70
2.95
0.045
0.104
Typ.
0.1
0.148
45°
Max.
0.181
0.035
0.028
0.052
0.107
0.382
0.409
0.260
1.173
0.067
0.116
Ratings and Characteristics Curves
FIG.1 Maximum power dissipation versus RMS
on-state current
FIG.2: RMS on-state current versus case
temperature
P(w)
18
IT(RMS) (A)
18
15
15
12
12
9
9
6
6
3
3
0
0
3
IT(RMS) (A)
6
9
12
16
0
0
α=180°
TO-220B(Non-Ins)
TO-220A(Ins)
Tc (℃)
25
50
75
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100
125
SST12 Series
Technical Data
Data Sheet N2145, Rev.-
FIG.3: Surge peak on-state current versus
number of cycles
150
FIG.4: On-state characteristics (maximum
values)
ITM (A)
200
ITSM (A)
t=20ms
100
One cycle
120
Tj=Tjmax
90
10
60
Tj=25℃
30
Number of cycles
10
100
0
1
1000
FIG.5: Non-repetitive surge peak on-state current
for a sinusoidal pulse with width tp
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