ISO9001 Certified
P O W E R C O M P O N E N T S
Absolute Maximum Ratings
CONDITIONS SYMBOL RATING
RMS On-State Current (full sine wave)
IT
(RMS)
Tc = 70C TO-220AB Iso
Non Repetitive Surge Peak On-State Current
F =50 Hz
(Full Cycle, Tj Initial = 25
C)
F =60 Hz
I
TSM
350A
I
2
t Value for fusing
tp = 10 ms
I
2
t
500A
2
s
Critical rate of rise of on-state current
I
G
=2 x I
GT
, tr<100 ns, T
j
= 125
C
di/dt
100A/sec
Peak Gate Current @ T
j
= 125C
tp = 20 s
I
GM
4A
Average Gate Power Dissipation @ Tj = 125
C
P
G(AV
)
1W
Storage Temperature Range
T
stg
-40 to +150
C
Operating Junction Temperature Range
T
j
-40 to +125
C
Electrical Characteristics
I
GT
MAX @ V
D
=12 V, R
L
= 30
NOTE 1
QI-II-III 50mA
V
GT
MAX @ V
D
=12 V, R
L
= 30
Q-AII 1.3V
V
GD
MIN @ V
D
=V
DRM
, R
L
= 3.3k
Tj = 125
C Q-AII 0.2 V
I
H
MAX @ I
T
= 500 mA
NOTE 2
75mA
I
L
MAX @ I
G
= 1.2 I
GT
QI-III-IV 75mA
I
L
MAX @ I
G
= 1.2 I
GT
Q-II 100mA
dv/dt MIN @ V
D
= 67%V
DRM
(gate open)
NOTE 2
Tj = 125C 500V/sec
(dv/dt)c MIN @ (di/dt)c = 13.3 A/ms
NOTE 2
Static Characteristics
V
T
MAX @ I
TM
=48 A, tp = 380s
NOTE 2
Tj = 25C 1.55 V
Vto MAX @ Threshold Voltage
NOTE 2
Tj = 125C 0.85 V
Rd MAX @ Dynamic Resistance
NOTE 2
Tj = 125C 16 m
I
DRM
MAX @ V
DRM =
V
RRM
Tj = 25C 5A
I
RRM
MAX @ V
DRM =
V
RRM
Tj = 125C 3 mA
>
Suitable for General Purpose AC Switching
>
IGT 50mA
>
V
DRM
/V
RMM
400, 600, 800V
Applications
Phase Control
Static Switching
Light Dimming
Motor Speed Control
Kitchen Equipment
Power Tools
Solenoid Valve Controls:
Dishwashers
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.
CTA30/CTB35
400/600/800V -
TRIAC
35A (CTB)
335A
Washing Machines
STANDARD (4 Quadrants)
I
GT
MAX @ V
D
=12 V, R
L
= 30
NOTE 1
QIV 100 mA
Tj = 125C 10V/sec
"B"
Tc = 95C
TO-220AB
30A (CTA)
G
A2
A1
TO-220AB Isolated
(CTA30)
TO-220AB Non-Isolated
(CTB35)
G
A2
A2
A1
G
A2
A1
Isolation Voltage (CTA Series only)
V
ISO
2500 V
RMS
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
CTA30/CTB35
400/600/800V - TRIAC
USA
Sales Support (877) 502-5500
Tech Support (877) 702-7700
Fax (619) 710-8540
Email: sales@crydom.com
Crydom Corp
2320 Paseo de las Americas, Suite 201
San Diego, CA 92154
EUROPE - UK
Telephone +44 (0) 1202 365070
Fax +44 (0) 1202 365090
Email: intsales@crydom.com
Crydom International Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
Germany
Telephone +49 (0) 180 3000 506
ASIA - Thailand
Telephone +66 (0)2 665 2517
Fax +66 (0)2 665 2588
Crydom Asia
18/8 Fico Place 12th Floor
Soi Sukhumvit 21 (Asoke)
Klongtoey Nua, Wattana
Bangkok, Thailand 10110
ISO9001 Certified
2005 Crydom Corp, All Rights Reserved. Specifications are subject to change without prior notice. Crydom and the Crydom logo are trademarks of Crydom Corp. CrydomCT30/35_L0205.pdf
Thermal Resistances
SYMBOL
RATING
Junction to Case (AC)
TO-220AB
Rth(j-c)
0.8C/W
Junction to Case (AC)
TO-220AB Isolated
Rth(j-c)
1.7C/W
Junction to Ambient
TO-220AB
Rth(j-a)
60C/W
Junction to Ambient
TO-220AB Isolated
Rth(j-a)
60C/W
SERIES
Isolation Type
A: Isolated
B: Non-Isolated
Rated Current
35: 35 Amp (CTB)
Packaging
Blank: Bulk
PT: Plastic Tube
Maximum
Blocking Voltage
400: 400Vpk
600: 600Vpk
800: 800Vpk
Type
B: Standard (I
GT
=50mA)
CT B
35
0
10
20
30
40
50
I
T(RMS)
[A]
Fig. 1: Power dissipation versus RMS on-state current (full cycle).
P
]
W
[
50
40
30
20
10
0
T
C
[C]
Fig. 2: RMS on-state current versus
case temperature (full cycle)
I
)
S
M
R
(
T
]
A
[
V
TM
[V]
Fig. 3: On-state current versus
on-state voltage (instantaneous values)
I
M
T
]
A
[
I
M
S
T
]
A
[
300
220
10
180
260
140
120
100
80
60
400
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 = 25C
Part Number Selection
Part Number Voltage [Vpk]
I
GT
[mA]
Type
Package
CTA30-xxxB
400, 600, 800 50mA
Standard TO-220AB
CTB35-xxxB 400, 600, 800 50mA Standard
TO-220AB
Part Number Designation
30: 30 Amp (CTA)
0
5
10
15
20
25
30
35
40
45
50
70
90
110
130
60
80
100
120
1.0
10.0
100.0
1000.0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Approvals
UL Recognized Component - E72445
(For CTA30 )
PDF 
ZIP