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
VT MAX @ ITM =11 A, tp = 380µs NOTE 2
Tj = 25˚C
1.55V
Vto MAX @ Threshold Voltage NOTE 2
Tj = 125˚C
0.85V
Rd MAX @ Dynamic Resistance NOTE 2
Tj = 125˚C
50mΩ
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)
1.6˚C/W
Junction to Case (AC)
TO-220AB Isolated
Rth(j-c)
2.5˚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
08: 8 Amp
Packaging
Blank: Bulk
PT: Plastic Tube
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
08
Maximum
Blocking Voltage
400: 400Vpk
600: 600Vpk
800: 800Vpk
1000: 1000Vpk
0
2
4
6
8
10
01234
56789
IT(RMS) [A]
Fig. 1: Power dissipation versus RMS on-state current (full cycle).
12
10
8
6
4
2
0
80
90
100
110
120
130
TC [˚C]
Fig. 2: RMS on-state current versus
case temperature (full cycle)
1.0
10.0
100.0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
V
TM [V]
Fig. 3: On-state current versus
on-state voltage (instantaneous values)
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/CTB08-xxxB
400, 600, 800, 1000
50mA
Standard
TO-220AB
CTA/CTB08-xxxBW
400, 600, 800, 1000
50mA
Alternistor/No Snubber
TO-220AB
CTA/CTB08-xxxC
400, 600, 800, 1000
25mA
Standard
TO-220AB
CTA/CTB08-xxxCW
400, 600, 800, 1000
35mA
Alternistor/No Snubber
TO-220AB
CTA/CTB08-xxxSW
400, 600, 800, 1000
10mA
Logic Level
TO-220AB
CTA/CTB08-xxxTW
400, 600, 800, 1000
5mA
Logic Level
TO-220AB
Part Number Designation
CTA/CTB 08
8Amp - 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
ISO
9001 CERTIFIED
TM
© 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)
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