TCAQ__34
Phase Control Thyristor
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
3400 Amperes 2800 Volts
FEATURES:
Low On-State Voltage
High di/dt Capability
High dv/dt Capability
Hermetic Ceramic Package
Excellent Surge and I
2
t Ratings
APPLICATIONS:
DC Power Supplies
ORDERING INFORMATION
Motor Controls
SS Contactors
Select the complete 12 digit Part Number using the table below.
EXAMPLE: TCAQ28340HDH is a 2800V-3400A SCR with 250ma
IGT and 12 inch gate and cathode potential leads.
PART
Voltage
Rating
Voltage
Code
Current
Rating
Current
Code
Turn-Off
Gate
Leads
V
DRM
-V
RRM
I
tavg
Tq
I
GT
TCAQ
2200
22
3400
34
0
H
DH
2500
25
2800
28
500us
250ma
12"
(typ.)
(max)
Revised:
9/26/2002
The TCAQ is a high voltage, high
current disc pack SCR employing a
high di/dt gate structure. This gate
design allows the SCR to be reliably
operated at high di/dt and dv/dt
conditions in various phase control
applications.
24'.+/+0#4;
24'.+/+0#4;
24'.+/+0#4;
24'.+/+0#4;
Page 1 of 4
Absolute Maximum Ratings
Characteristic
Symbol
Rating
Units
Repetitive Peak Voltage
V
DRM
-V
RRM
2800
Volts
Average On-State Current, T
C
=70C
I
T(Avg.)
3400
A
RMS On-State Current, T
C
=70C
I
T(RMS)
5341
A
Average On-State Current, T
C
=54C
I
T(Avg.)
4100
A
RMS On-State Current, T
C
=54C
I
T(RMS)
6440
A
Peak One Cycle Surge Current, 60Hz, V
R
=0V
I
TSM
60,000
A
Peak One Cycle Surge Current, 50Hz, V
R
=0V
I
TSM
56,568
A
Fuse Coordination I
2
t, 60Hz
I
2
t
1.50E+07
A
2
s
Fuse Coordination I
2
t, 50Hz
I
2
t
1.60E+07
A
2
s
Critical Rate-of-Rise of On-State Current
di/dt
300
A/us
Repetitive
Critical Rate-of-Rise of On-State Current
di/dt
600
A/us
Non-Repetitive
Peak Gate Power, 100us
P
GM
16
Watts
Average Gate Power
P
G(avg)
5
Watts
Operating Temperature
Tj
-40 to+125
C
Storage Temperature
T
Stg.
-50 to+150
C
Approximate Weight
4.6
lb
2.09
Kg
Mounting Force
9,000 - 12,000
lbs
40 - 53
Knewtons
Page 2 of 4
Electrical Characteristics,
Tj=25C unless otherwise specified
Rating
Characteristic
Symbol
Test Conditions
min
typ
max
Units
Repetitive Peak Forward
Leakage Current
I
DRM
Tj=125C, V
DRM
=Rated
250
ma
Repetitive Peak Reverse
Leakage Current
I
RRM
Tj=125C, V
RRM
=Rated
250
ma
Peak On-State Voltage
V
TM
Tj=125C, I
TM
=3000A
1.34
V
V
TM
Model, Low Level
V
0
Tj=125C
0.915
V
VTM = V
O
+
r
I
TM
r
15%
I
TM
- I
TM
1.40E-04
V
TM
Model, High Level
V
0
Tj=125C
1.038
V
VTM = V
O
+
r
I
TM
r
I
TM
- I
TSM
1.05E-04
V
TM
Model, 4-Term
A
Tj=125C
0.150
V
TM
= A + BLn(I
TM
) +
B
15%I
TM
- I
TSM
0.140
C(I
TM
) + D(I
TM
)
C
0.000115
D
-0.005
Turn-On Delay Time
t
d
V
D
= 0.5V
DRM
2.5
us
Gate Drive: 40V - 20
Turn-Off Time
tq
Tj=125C
400
us
dv/dt = 20V/us to 80% V
DRM
dv/dt
(Crit)
dv/dt
Tj=125C Exp. Waveform
1000
V/us
V
D
=80% Rated
Gate Trigger Current
I
GT
Tj=25C V
D
= 12V
30
100
250
ma
Gate Trigger Voltage
V
GT
0.8
2.0
4.5
V
Peak Reverse Gate Voltage
V
GRM
5
V
Thermal Characteristics
Rating
Characteristic
Symbol
Test Conditions
min
typ
max
Units
Thermal Resistance
Junction to Case
R
jc
Double side cooled
0.007
0.008
C/Watt
Case to Sink
R
cs
Double side cooled
0.0015
0.002
C/Watt
Thermal Impedance Model
Z
jc
Double side cooled
Z
jc
(t) =
(A(
N
)(1-exp(-t/
Tau
(
N
))))
where:
N =
1
2
3
4
A(N
) =
1.43E-04
9.08E-04
2.37E-03
4.60E-03
T
au(N) =
2.62E-03
2.31E-02
5.00E-01
8.00E+00
Page 3 of 4
Maximum On-State Voltage Drop
0.00
1.00
2.00
3.00
4.00
100
1000
10000
100000
ITM (A)
VTM (
V
)
Tj = 125C
MAXIMUM TRANSIENT THERMAL
IMPEDANCE
0.00E+00
2.00E-03
4.00E-03
6.00E-03
8.00E-03
1.00E-02
0.01
0.1
1
10
100
Time (sec)
Therm
al Im
pedance
(
C/
Watt)
Maximum On-State Power Dissipation
0
1000
2000
3000
4000
5000
6000
7000
8000
0
1000
2000
3000
4000
Iavg (A)
P
avg
(Watts)
Sinusoidal Waveform
60
90
120
180
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
60
70
80
90
100
110
120
130
0
1000
2000
3000
4000
Iavg (A)
Tc (C)
Sinusoidal Waveform
60
90
120
180
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
0
1000
2000
3000
4000
5000
Iavg (A)
P
avg
(Watts)
Square Waveform
60
90
120
180
0
180
360
CONDUCTION ANGLE
360
Maximum Allowable Case Temperature
60
70
80
90
100
110
120
130
0
1000
2000
3000
4000
5000
Iavg (A)
Tc (C)
Square Waveform
60
90
120
180
0
180
360
CONDUCTION ANGLE
360
Page 4 of 4
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