Dimensions
Millimeters Inches
REF. Min. Typ. Max. Min. Typ. Max.
A 15.24 15.75 0.6 0.62
B 3.23 0.127
C 12.78 13.79 0.503 0.543
D 9.96 10.36 0.392 0.408
E 0.69 0.94 0.027 0.037
F 1.22 1.32 0.048 0.052
G 4.62 4.83 0.182 0.19
H 0.46 0.61 0.018 0.024
I 2.49 2.84 0.098 0.112
J 2.39 2.69 0.094 0.106
K 6.48 6.88 0.255 0.271
L 3.78 3.89 0.149 0.153
M 15.49 16 16.51 0.61 0.63 0.65
N 2.59 2.9 0.102 0.114
O 0.99 1.55 0.039 0.061
P 0.99 1.55 0.039 0.061
Q 2.67 0.105
Weight: 2.3g (0.08 oz)
Q
D
M
G
F
C
O
I
P
E
B
A
K
N
L
J
H
Static Characteristics
VTMAX @ ITM =17 A, tp = 380µs NOTE 2 Tj = 25˚C 1.55V
Vto MAX @ Threshold Voltage NOTE 2 Tj = 125˚C 0.85V
RdMAX @ Dynamic Resistance NOTE 2 Tj = 125˚C 35mΩ
IDRM MAX @ VDRM = VRRM Tj = 25˚C 5µA
IRRM MAX @ VDRM = VRRM Tj = 125˚C 1mA
Thermal Resistances
SYMBOL RATING
Junction to Case (AC) TO-220AB Rth(j-c) 1.4˚C/W
Junction to Case (AC) TO-220AB Isolated Rth(j-c) 2.3˚C/W
Junction to Ambient TO-220AB Rth(j-a) 60˚C/W
Junction to Ambient TO-220AB Isolated Rth(j-a) 60˚C/W
SERIES
Isolation Type
A: Isolated
B: Non-Isolated
Rated Current
12: 12 Amp
Packaging
Blank: Bulk
PT: Plastic Tube
Maximum
Blocking Voltage
400: 400Vpk
600: 600Vpk
800: 800Vpk
1000: 1000Vpk
Type
B: Standard (IGT=50mA)
BW: Alternistor/No Snubber (IGT=50mA)
C: Standard (IGT=25mA)
CW: Alternistor/No Snubber (IGT=35mA)
SW: Logic Level (IGT=10mA)
TW: Logic Level (IGT=5mA)
CT CW
12
024681012141618
IT(RMS)
[A]
Fig. 1: Power dissipation versus RMS on-state current (full cycle).
P [W]
18
16
14
12
10
8
6
4
2
0
14
12
10
8
6
4
2
0
80 90 100 110 120 130
T
C
[˚C]
Fig. 2: RMS on-state current versus
case temperature (full cycle)
IT(RMS)
[A]
1.0
10.0
100.0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VTM [V]
Fig. 3: On-state current versus
on-state voltage (instantaneous values)
ITM [A]
ITSM [A]
160
100
10
80
120
60
50
40
30
20
250
1 10 100 1000
Number of Cycles
Fig. 4: Non-repetitive surge peak on-state
current versus number of cycles.
Isolated
Non-Isolated
Non-Repetitive
Tj initial = 25˚C
Part Number Selection
Part Number Voltage [Vpk] IGT [mA] Type Package
CTA/CTB12-xxxB 400, 600, 800, 1000 50mA Standard TO-220AB
CTA/CTB12-xxxBW 400, 600, 800, 1000 50mA Alternistor/No Snubber TO-220AB
CTA/CTB12-xxxC 400, 600, 800, 1000 25mA Standard TO-220AB
CTA/CTB12-xxxCW 400, 600, 800, 1000 35mA Alternistor/No Snubber TO-220AB
CTA/CTB12-xxxSW 400, 600, 800, 1000 10mA Logic Level TO-220AB
CTA/CTB12-xxxTW 400, 600, 800, 1000 5mA Logic Level TO-220AB
Part Number Designation
CTA/CTB 12
12Amp - 400/600/800/1000V - TRIAC
USA
Sales & Tech Support
(866) 258-5057
Email:
sales@cynergy3.com
Cynergy3 Components
2320 Paseo de las Americas, Suite 104
San Diego, CA 92154
EUROPE - UK
Telephone
+44 (0) 1202 897969
Fax
+44 (0) 1202 891918
Email:
sales@cynergy3.com
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
ASIA - Thailand
Telephone
+66 (0)2 665 2517
Fax
+66 (0)2 665 2588
Cynergy 3 Components, Asia
18/8 Fico Place 12th Floor
Soi Sukhumvit 21 (Asoke)
Klongtoey Nua, Wattana
Bangkok, Thailand 10110
ISO9001 CERTIFIED
© 2006 Cynergy3 components, All Rights Reserved.
Specifications are subject to change without prior notice. Cynergy3 components and the Cynergy3 components logo are trademarks of Cynergy3 components Corp.
Approvals
UL Recognized Component - E72445 (CTA Series)