G
A2
A1
TO-220AB Isolated
(CTA08)
TO-220AB Non-Isolated
(CTB08)
G
A2
A2
A1
G
A2
A1
GENERAL NOTES
1. Minimum IGT is guaranted at 5% of IGT max.
2. For both polarities of A2 referenced to A1
3. All parameters at 25 degrees C unless otherwise specified.
4. Commutating dv/dt=50V.µsec (exponential to 200Vpk)
Absolute Maximum Ratings
CONDITIONS SYMBOL RATING
RMS On-State Current (full sine wave) Tc = 110˚C TO-220AB IT(RMS) 8A
Tc = 100˚C TO-220AB Iso
Non Repetitive Surge Peak On-State Current F =50 Hz 80A
(Full Cycle, Tj Initial = 25˚C) F =60 Hz ITSM 84A
I2t Value for fusing tp = 10 ms I2t 78A2s
Critical rate of rise of on-state current
IG=2 x IGT, tr<100 ns, Tj = 125˚CF =120 Hz di/dt 100A/µs
Peak Gate Current @ Tj = 125˚C tp = 20 µs IGM 4A
Average Gate Power Dissipation @ Tj = 125˚CP
G(AV) 1W
Storage Temperature Range Tstg -40 to +150˚C
Operating Junction Temperature Range Tj -40 to +125˚C
Isolation Voltage (CTA Series only) VISO 2500 VRMS
Electrical Characteristics
ALTERNISTOR/NO SNUBBER AND LOGIC LEVEL (3 Quadrants) TW SW CW BW
IGT MAX @ VD=12 V, RL = 30ΩNOTE 1 QI-II-III 5mA 10mA 35mA 50mA
VGT MAX @ VD=12 V, RL = 30ΩQI-II-III 1.3V 1.3V 1.3V 1.3V
VGD MIN @ VD=VDRM, RL = 3.3kΩTj = 125˚C QI-II-III 0.2V 0.2V 0.2V 0.2V
IHMAX @ IT= 500 mA NOTE 2 10mA 15mA 35mA 50mA
IL MAX @ IG= 1.2 IGT QI-III 10mA 25mA 50mA 70mA
IL MAX @ IG= 1.2 IGT Q-II 15mA 30mA 60mA 80mA
dv/dt MIN @ VD= 67%VDRM (gate open) NOTE 2 Tj = 125˚C 20V/µs 40V/µs 400V/µs 1000V/µs
(di/dt)c MIN @ (dv/dt)c = 0.1 V/ms NOTE 2 Tj = 125˚C 3.5A/ms 5.4A/ms
(di/dt)c MIN @ (dv/dt)c = 10 V/ms NOTE 2 Tj = 125˚C 1.5A/ms 2.8A/ms
(di/dt)c MIN without Snubber NOTE 2 & 4 Tj = 125˚C 4.5A/ms 7A/ms
STANDARD (4 Quadrants) C B
IGT MAX @ VD=12 V, RL = 30ΩNOTE 1 QI-II-III 25mA 50mA
IGT MAX @ VD=12 V, RL = 30ΩNOTE 1 QIV 50mA 100mA
VGT MAX @ VD=12 V, RL = 30ΩQ-All 1.3V
VGD MIN @ VD=VDRM, RL = 3.3kΩTj = 125˚C Q-All 0.2V
IHMAX @ IT= 500 mA NOTE 2 25mA 50mA
IL MAX @ IG= 1.2 IGT QI-III-IV 40mA 50mA
IL MAX @ IG= 1.2 IGT Q-II 80mA 100mA
dv/dt MIN @ VD= 67%VDRM (gate open) NOTE 2 Tj = 125˚C 200V/µs 400V/µs
(dv/dt)c MIN @ (di/dt)c = 3.5 A/ms NOTE 4 Tj = 125˚C 5V/µs 10V/µs
#
Suitable for General Purpose AC Switching
#
Altgernistor/No Snubber Versions for
Inductive Loads
#
Logic Level Available for Use with
Microcontrollers and Low Level Devices
#
IGT Range 5-50 mA (Q1)
#
VDRM/VRMM 400, 600, 800, 1000V
Applications
• Phase Control
• Static Switching
• Light Dimming
• Motor Speed Control
• Kitchen Equipment
• Power Tools
• Solenoid Valve Controls:
- Dishwashers
- Washing Machines
CTA/CTB 08
8Amp - 400/600/800/1000V - TRIAC
ISO9001 CERTIFIED
Competitive part number cross-reference available at:
www.cynergy3.com
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 =11 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 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
0123456789
IT(RMS)
[A]
Fig. 1: Power dissipation versus RMS on-state current (full cycle).
P [W]
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/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
ISO9001 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)
