TCU4__320H
Phase Control Thyristor
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800
(724)925-7272 WWW.PWRX.COM
3200 Amperes 2800 Volts
The TCU4 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.
FEATURES:
Low On-State Voltage
High di/dt Capability
High dv/dt Capability
Hermetic Ceramic Package
Excellent Surge and I
2
t Ratings
ORDERING INFORMATION
Select the complete 12 digit Part Number using the table below.
EXAMPLE: TCU428320HDH is a 2800V-3200A SCR with 250ma
IGT and standard 12 inch gate and cathode potential leads.
Voltage
Voltage
Current
Current
PART
Rating
Code
Rating
Code
Turn-Off
Tq
V
DRM
-V
RRM
I
tavg
TCU4
2800
2600
2400
2200
28
26
24
22
3200
32
0
500us
APPLICATIONS:
DC Power Supplies
Motor Controls
SS Contactors
Gate
I
GT
H
250ma
Leads
DH
12" std.
(typ.)
(max)
Revised:
10/28/2015
Page 1 of 8
TCU4__320H
Phase Control Thyristor
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800
(724)925-7272 WWW.PWRX.COM
3200 Amperes 2800 Volts
Absolute Maximum Ratings
Characteristic
Repetitive Peak Voltage
Average On-State Current, T
C
=70°C
RMS On-State Current, T
C
=70°C
Average On-State Current, T
C
=55°C
RMS On-State Current, T
C
=55°C
Peak One Cycle Surge Current, 60Hz, V
R
=0V
Peak One Cycle Surge Current, 50Hz, V
R
=0V
Fuse Coordination I
2
t, 60Hz
Fuse Coordination I
2
t, 50Hz
Critical Rate-of-Rise of On-State Current
Repetitive
Symbol
V
DRM
-V
RRM
Rating
2200 to 2800
3200
5027
3800
5969
77,000
72,000
2.47E+07
2.59E+07
200
Units
Volts
A
A
A
A
A
A
A
2
s
A
2
s
A/us
I
T(Avg.)
I
T(RMS)
I
T(Avg.)
I
T(RMS)
I
TSM
I
TSM
I
2
t
I
2
t
di/dt
Critical Rate-of-Rise of On-State Current
Non-Repetitive
di/dt
400
A/us
Peak Gate Power, 100us
Average Gate Power
Operating Temperature
Storage Temperature
Approximate Weight
P
GM
P
G(avg)
Tj
T
Stg.
16
5
-40 to+125
-50 to+150
3.2
1.45
Watts
Watts
°C
°C
lb
Kg
lbs
Knewtons
Mounting Force
12,000-15,000
53 - 67
Information listed is based upon Powerex testing and projected ratings and is subject to change
without notice. Powerex makes no implicit or explicit claim to reliability, capability, performance or
suitability of this product for a users application. Powerex makes no guarantee of future
availability of this product.
Page 2 of 8
TCU4__320H
Phase Control Thyristor
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800
(724)925-7272 WWW.PWRX.COM
3200 Amperes 2800 Volts
Electrical Characteristics,
Tj=25°C unless otherwise specified
Rating
Characteristic
Repetitive Peak Forward
Leakage Current
Repetitive Peak Reverse
Leakage Current
Peak On-State Voltage
V
TM
Model, Low Level
VTM = V
O
+
r•
I
TM
V
TM
Model, High Level
VTM = V
O
+
r•
I
TM
V
TM
Model, 4-Term
High Level
V
TM
= A + B•Ln(I
TM
) +
C•(I
TM
) + D•(I
TM
)
Turn-On Delay Time
Turn-Off Time
dv/dt
(Crit)
Gate Trigger Current
Gate Trigger Voltage
Peak Reverse Gate Voltage
½
Symbol
I
DRM
I
RRM
V
TM
V
0
Test Conditions
Tj=125°C, V
DRM
=Rated
Tj=125°C, V
RRM
=Rated
Tj=125°C, I
TM
=3000A
Tj=125°C
15%
I
TM
- π•I
TM
Tj=125°C
min
typ
max
250
250
1.45
1.062
0.121
1.088
0.1139
0.161
0.151
0.000124
-0.00538
Units
ma
ma
V
V
r
V
0
mΩ
V
r
A
B
C
D
t
d
tq
dv/dt
I
GT
V
GT
V
GRM
π•I
TM
- I
TSM
Tj=125°C
mΩ
15%I
TM
- I
TSM
V
D
= 0.5•V
DRM
Gate Drive: 40V - 20Ω
Tj=125°C
dv/dt = 20V/us to 80% V
DRM
Tj=125°C Exp. Waveform
V
D
=80% Rated
Tj=25°C V
D
= 12V
1000
30
0.8
2.5
400
us
us
V/us
100
2.0
250
4.5
5
ma
V
V
Thermal Characteristics
Characteristic
Thermal Resistance
Junction to Case
Case to Sink
Thermal Impedance Model
Symbol
Test Conditions
Double side cooled
Double side cooled
Double side cooled
where:
min
Rating
typ
0.007
0.0015
max
0.008
0.002
Units
°C/Watt
°C/Watt
RΘ
jc
RΘ
cs
ZΘ
jc
ZΘ
jc
(t) =
Σ(A(
N
)•(1-exp(-t/
Tau
(
N
))))
N=
A(N
) =
T
au(N) =
1
1.43E-04
2.62E-03
2
9.08E-04
2.31E-02
3
2.37E-03
5.00E-01
4
4.60E-03
8.00E+00
Page 3 of 8
TCU4__320H
Phase Control Thyristor
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800
(724)925-7272 WWW.PWRX.COM
3200 Amperes 2800 Volts
Maximum On-State Voltage Drop
4.00
Tj = 125°C
3.00
VTM (V)
2.00
1.00
0.00
100
1000
10000
100000
ITM (A)
MAXIMUM TRANSIENT THERMAL IMPEDANCE
1.0E-02
Thermal Impedance (°C/Watt)
8.0E-03
6.0E-03
4.0E-03
2.0E-03
0.0E+00
0.01
0.1
1
10
100
Time (sec)
Page 4 of 8
TCU4__320H
Phase Control Thyristor
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800
(724)925-7272 WWW.PWRX.COM
3200 Amperes 2800 Volts
Maximum On-State Power Dissipation
Sinusoidal Waveform
8000
7000
90°
180°
120°
6000
(Watts)
60°
5000
4000
Pavg
3000
2000
CONDUCTION ANGLE
0°
180°
360°
1000
0
0
500
1000
1500
2000
2500
3000
3500
4000
Iavg
(A)
Maximum Allowable Case Temperature
Sinusoidal
Waveform
125
115
CONDUCTION ANGLE
Tc (°C)
105
0°
180°
360°
95
85
75
0
500
1000
1500
60°
90°
120°
180°
2000
2500
3000
3500
4000
Iavg
(A)
Page 5 of 8
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