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TC20__2402
Phase Control Thyristor
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
2450Amperes 4400Volts
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
Select the complete 12 digit Part Number using the table below.
EXAMPLE: TC20442402DH is a 4400V-24500A SCR with300ma
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
TC20
4400
44
2450
24
0
2
4200
42
4000
40
500us
300ma
12"
3600
36
(typ.)
(max)
Revised:
7/25/2002
The TC20 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.
Page 1
TC20__2402
Phase Control Thyristor
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
2450Amperes 4400Volts
Absolute Maximum Ratings
Characteristic
Symbol
Rating
Units
Repetitive Peak Voltage
V
DRM
-V
RRM
4400
Volts
Average On-State Current, T
C
=70C
I
T(Avg.)
2450
A
RMS On-State Current, T
C
=70C
I
T(RMS)
3848
A
Average On-State Current, T
C
=55C
I
T(Avg.)
2800
A
RMS On-State Current, T
C
=55C
I
T(RMS)
4398
A
Peak One Cycle Surge Current, 60Hz, V
R
=0V
I
TSM
30,000
A
Peak One Cycle Surge Current, 50Hz, V
R
=0V
I
TSM
28,284
A
Fuse Coordination I
2
t, 60Hz
I
2
t
3.75E+06
A
2
s
Fuse Coordination I
2
t, 50Hz
I
2
t
4.00E+06
A
2
s
Critical Rate-of-Rise of On-State Current
di/dt
100
A/us
Repetitive
Critical Rate-of-Rise of On-State Current
di/dt
300
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
5.5
lb
2.49
Kg
Mounting Force
14,000-18,000
lbs
62 - 80
KNewtons
Page 2
TC20__2402
Phase Control Thyristor
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
2450Amperes 4400Volts
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
300
ma
Repetitive Peak Reverse
Leakage Current
I
RRM
Tj=125C, V
RRM
=Rated
300
ma
Peak On-State Voltage
V
TM
Tj=125C, I
TM
=3000A
1.80
V
V
TM
Model, Low Level
V
0
Tj=125C
0.990
V
VTM = V
O
+
r
I
TM
r
15%
I
TM
- I
TM
2.71E-04
V
TM
Model, High Level
V
0
Tj=125C
0.698
V
VTM = V
O
+
r
I
TM
r
I
TM
- I
TSM
3.04E-04
V
TM
Model, 4-Term
A
Tj=125C
0.191
V
TM
= A + BLn(I
TM
) +
B
15%I
TM
- I
TSM
0.181
C(I
TM
) + D(I
TM
)
C
3.56E-04
D
-1.66E-02
Turn-On Delay Time
t
d
V
D
= 0.5V
DRM
1.5
us
Gate Drive: 40V - 20
Turn-Off Time
tq
Tj=125C
500
us
dv/dt = 20V/us to 67% V
DRM
dv/dt
(Crit)
dv/dt
Tj=125C Exp. Waveform
400
V/us
V
D
=67% Rated
Gate Trigger Current
I
GT
Tj=25C V
D
= 12V
30
150
400
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
0.021
0.009
C/Watt
Case to Sink
R
cs
Double side cooled
0.004
0.0025
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
) =
2.00E-04
1.50E-03
3.20E-03
4.10E-03
T
au(N) =
2.62E-03
2.31E-02
3.05E-01
3.30E+00
Page 3
TC20__2402
Phase Control Thyristor
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
2450Amperes 4400Volts
Maximum On-State Voltage Drop
0.00
2.00
4.00
6.00
8.00
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
0.001
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
9000
10000
0
1000
2000
3000
4000
Iavg (A)
P
a
v
g
(W
a
tts
)
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
2000
4000
6000
8000
10000
12000
0
1000
2000
3000
4000
5000
Iavg (A)
P
a
v
g
(W
a
tts
)
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
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