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T8KC__3203
r
Phase Control Thyristo
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 325 Amperes 6500 Volts
The T8KC 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
APPLICATIONS:
DC Power Supplies
ORDERING INFORMATION Motor Controls
AC Soft-Starters
Select the complete 12 digit Part Number using the table below.
EXAMPLE: T8K7653203DH is a 6500V-325A SCR with 200ma
IGT and 12 inch gate and cathode potential leads.
PART
Voltage
Rating
V
DRM-VRRM
Voltage
Code
Current
Rating
I
tavg
Current
Code Turn-Off Gate Leads
Tq
I
GT
T8KC 6500 65 325 32 0 3 DH
6200 62
6000 60
500us 200ma 12"
(typ.) (max)
Revised: 7/20/2004
2
t Ratings
Page 1
T8KC__3203
r
Phase Control Thyristo
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 325 Amperes 6500 Volts
Absolute Maximum Ratings
Characteristic Symbol Rating Units
Repetitive Peak Voltage
Average On-State Current, T
RMS On-State Current, T
Average On-State Current, T
RMS On-State Current, T
=70°C
C
=55°C
C
=70°C
C
=55°C
C
Peak One Cycle Surge Current, 60Hz, V
=0V I
R
V
DRM-VRRM
Peak One Cycle Surge Current, 50Hz, VR=0V I
Fuse Coordination I
Fuse Coordination I
2
t, 60Hz I2t
2
t, 50Hz I2t
I
T(Avg.)
I
T(RMS)
I
T(Avg.)
I
T(RMS)
TSM
TSM
6500 Volts
325 A
511 A
375 A
589 A
4,500 A
4,243 A
8.44E+04
9.00E+04
A2s
A2s
Critical Rate-of-Rise of On-State Current di/dt 100 A/us
Repetitive .67•VDRM
Critical Rate-of-Rise of On-State Current di/dt 200 A/us
Non-Repetitive .67•VDRM
Peak Gate Power, 100us
Average Gate Power
P
P
GM
G(avg)
16 Watts
5 Watts
Operating Temperature Tj -40 to+125 °C
Storage Temperature
T
Stg.
-50 to+150 °C
Approximate Weight 0.6 lb
0.27 Kg
Mounting Force 3000-3500 lbs
13.3 - 15.5 Knewtons
The information on this datasheet 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
T8KC__3203
r
/
)
Phase Control Thyristo
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 325 Amperes 6500 Volts
Electrical Characteristics, Tj=25°C unless otherwise specified
Rating
Characteristic Symbol Test Conditions min typ max Units
Repetitive Peak Forward
Leakage Current
Repetitive Peak Reverse
Leakage Current
Repetitive Peak Leakage
Current Distribution
Peak On-State Voltage
Model, Low Level
V
TM
VTM = V
+ r•I
O
VTM Model, High Level
O
) + D•(ITM)
TM
+ r•I
VTM Model,
V
TM
VTM = V
4-Term
= A + B•Ln(ITM) +
C•(I
Turn-On Delay Time
Turn-Off Time
Reverse Recovery Current
Reverse Recovery Charge
Reverse Recovery Current
Distribution
dv/dt
(Crit)
Gate Trigger Current
Gate Trigger Voltage
Peak Reverse Gate Voltage
TM
TM
I
DRM
I
RRM
I
DRM
I
RRM
V
V
V
½
I
R(Rec)
Q
I
R(Rec
dv/dt Tj=125°C Exp. Waveform 1000 >2000 V/us
I
V
V
Tj=125°C, V
Tj=125°C, V
-
Tj=125°C, Voltage=Rated
DRM
RRM
=Rated
=Rated
70 100 ma
70 100 ma
5% 50% 95%
30 45 65 ma
Tj=125°C, ITM=1000A
TM
Tj=125°C 1.1698667 V
0
15% I
r
Tj=125°C 1.8617225 V
0
π•ITM - I
r
TM
- π•I
TSM
TM
4.40 V
3.26E-03 Ω
2.68E-03 Ω
A Tj=125°C 0.246
15%ITM - I
B
TSM
0.170
C 2.56E-03
D 1.27E-02
VD = 0.5•V
t
d
DRM
2.0 2.5 us
Gate Drive: 40V - 20Ω
tq Tj=125°C 450 600 us
dv/dt = 20V/us to 67% V
Tj=125°C 600A -10A/us 90 A
RR
Tj=125°C 600A -10A/us
=67% Rated
V
D
Tj=25°C VD = 12V
GT
GT
GRM
DRM
1230 uCoul
5% 50% 95%
75 85 95 A
30 100 200 ma
0.8 1.5 3.0 V
5V
Thermal Characteristics
Characteristic
Thermal Resistance
Junction to Case
Case to Sink
Thermal Impedance Model
ZΘjc(t) =
Σ(A(N)•(1-exp(-t
Rating
Symbol Test Conditions min typ max Units
RΘ
RΘ
ZΘ
Double side cooled 0.038 0.042 °C/Watt
jc
Double side cooled 0.007 0.0085 °C/Watt
cs
Double side cooled
jc
Tau(N))))
where: N = 123 4
A(N) = 3.68E-03 9.85E-03 1.68E-02 1.12E-02
Tau(N) = 9.55E-04 4.49E-02 6.87E-01 6.00E+00
Page 3
T8KC__3203
r
Phase Control Thyristo
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 325 Amperes 6500 Volts
Maximum On-State Voltage Drop
10.0
8.0
Tj = 125°C
6.0
4.0
VTM (V)
2.0
0.0
100 1000 10000
ITM (A)
Maximum On-State Power Dissipation
2000
1500
1000
500
Pavg (Watts)
0
0 100 200 300 400 500
Sinusoidal Waveform
90°
60°
Iavg (A)
120°
180°
CONDUCTION ANGLE
0° 18 0° 360°
MAXIMUM TRANSIENT THERMAL
IMPEDANCE
5E-02
4E-02
3E-02
2E-02
(°C/Watt)
1E-02
Thermal Impedance
0E+00
0.001 0.01 0.1 1 10 100
Time (sec)
Maximum Allowable Case Temperature
130
120
110
100
90
Tc (°C)
80
70
60
0 100 200 300 400 500
60°
90°
Iavg (A)
120°
CONDUCTION ANGLE
0° 180° 360°
180°
Maximum On-State Power Dissipation
Square Waveform
2000
180°
1500
60°
90°
120°
1000
500
Pavg (Watts)
0
0 150 300 450 600
Iavg (A)
360°
CONDUCTION ANGLE
0° 180° 360°
Tc (°C)
Page 4
Maximum Allowable Case Temperature
130
120
110
100
90
80
70
60
0 150 300 450 600
Square Waveform
90° 120° 180°
60°
Iavg (A)
CONDUCTION ANGLE
0° 180° 360°
360°
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