T7H8
650A
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
Phase Control SCR
650 Amperes Average
1800 Volts
T7H8 650A Phase Control SCR
650 Amperes Average, 1800 Volts
T7H8 650A (Outline Drawing)
Description:
Powerex Silicon Controlled
Rectifiers (SCR) are designed for
phase control applications. These
are all-diffused, Press-Pak,
hermetic Pow-R-Disc devices
employing the field proven
amplifying gate.
Ordering Information:
Select the complete 12 digit module part number from the table below.
Example: T7H8166504DN is a 1600V 650A Phase Control SCR.
Type
T7H8
Voltage
VRRM
(Volts)
Current
IT(av)
(A)
Turn-off Time
tq
(µsec)
Gate Current
IGT
(mA)
Lead
Code
02
through
18
65
0
4
DN
200V
through
1800V
650A
150 µsec
typical
150 mA
8”
Features:
Low On-State Voltage
High di/dt Capability
High dv/dt Capability
Hermetic Packaging
Excellent Surge and I2t Ratings
Applications:
Power Supplies
Motor Control
Revision Date: 08/25/2008
T7H8
650A
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
Phase Control SCR
650 Amperes Average
1800 Volts
Absolute Maximum Ratings
Characteristics
Symbol
Units
Non-Repetitive Transient Peak Reverse Blocking Voltage
VRSM
VRRM + 100V
Volts
RMS On-State Current, TC = 65°C
IT(RMS)
1020
Amperes
Average Current 180° Sine Wave, TC = 65°C
IT(AV)
650
Amperes
RMS On-State Current, TC = 55°C
IT(RMS)
1125
Amperes
Average Current 180° Sine Wave, TC = 55°C
IT(AV)
715
Amperes
Peak One Cycle Surge On-State Current (Non-Repetitive) 60 Hz
ITSM
9000
Amperes
Peak One Cycle Surge On-State Current (Non-Repetitive) 50 Hz
ITSM
8200
Amperes
Critical Rate-of-rise of On-State Current (Non-Repetitive)
di/dt
600
A/μsec
Critical Rate-of-rise of On-State Current (Repetitive)
di/dt
150
A/μsec
It
2
338,000
A sec
Peak Gate Power Dissipation
PGM
16
Watts
Average Gate Power Dissipation
PG(av)
3
Watts
Operating Temperature
TJ
-40 to +125
°C
Storage Temperature
Tstg
-40 to +150
°C
4
oz.
2
I t (for Fusing) for One Cycle, 60 Hz
Approximate Weight
Mounting Force
2
113
g
2000 to 2400
lb.
900 to 1090
kg.
Information presented is based upon manufacturers testing and projected capabilities.
This information is subject to change without notice.
The manufacturer makes no claim as to the suitability of use, reliability, capability,
or future availability of this product.
Revision Date: 08/25/2008
T7H8
650A
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
Phase Control SCR
650 Amperes Average
1800 Volts
Electrical Characteristics, TJ=25°C unless otherwise specified
Symbol
Test Conditions
Repetitive Peak Reverse Leakage Current
Characteristics
IRRM
TJ=125°C, VR = VRRM
Min.
30
mA
Repetitive Peak Forward Leakage Current
IDRM
TJ=125°C, VD = VDRM
30
mA
Peak On-State Voltage
VTM
IFM=625A peak,
1.50
V
Typ.
Max.
Units
Duty Cycle < 0.1 %
Threshold Voltage, Low-level
Slope Resistance, Low-level
V(TO)1
rT1
TJ = 125°C, I = 15%IT(AV) to πIT(AV)
1.0336
0.62862
V
mΩ
Threshold Voltage, High-level
Slope Resistance, High-level
V(TO)2
rT2
TJ = 125°C, I = πIT(AV) to ITSM
1.68191
0.36847
V
mΩ
TJ = 125°C, I = 15%IT(AV) to πIT(AV)
VTM Coefficients, Low-level
A=
B=
C=
D=
7
VTM = A+ B Ln(I) +C(I) + D Sqrt(I)
Typical Turn-On Time
ton
IT = 100A, VD = 100 V
Typical Turn-Off Time
tq
Tj = 125°C, IT = 250A,
diR/dt = 25A/µs Reapplied
dv/dt = 20 V/µs Linear to 80% VDRM
Minimum Critical dv/dt – Exponential to VDRM
1.41917
-0.1663
1.243 E-04
0.04196
µs
150
µs
dv/dt
TJ = 125°C
Gate Trigger Current
IGT
TJ = 25°C, VD = 12 V
150
mA
Gate Trigger Voltage
VGT
TJ = 25°C, VD = 12 V
3.0
V
Non-Triggering Gate Voltage
VGDM
TJ = 125°C, VD = VDRM
0.15
V
Peak Forward Gate Current
IGTM
4
A
Peak Reverse Gate Voltage
VGRM
5
V
Maximum Thermal Resistance, Double Sided Cooling
Max.
Units
Junction-to-Case
Case-to-Sink
0.04
0.02
°C/W
°C/W
300
V/µs
Thermal Characteristics
RΘ(J-C)
RΘ(C-S)
Revision Date: 08/25/2008
T7H8
650A
Phase Control SCR
650 Amperes Average
1800 Volts
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
Maximum On-State Forward Voltage Drop
Maximum Transient Thermal Impedance
(Junction to Case)
( Tj = 125 C )
.045
5
Thermal Impedance - Rjc - °C/W
.040
On-State Voltage - Vtm - Volts
4
3
2
1
.035
.030
.025
.020
.015
.010
.005
0
10
100
1000
.000
0.0001
10000
Instantaneous On-State Current - Itm - Amperes
0.001
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
130
1400
120°
1200
120
180°
90°
Max. Case Temperature - Tcase - °C
Maximum Power Dissipation Per SCR - Watts
1
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
1600
60°
1000
100
30°
15°
800
110
600
400
200
90
80
15°
30°
70
60°
90°
120°
180°
60
0
50
0
100
200
300
400
500
600
700
0
100
200
Average On-State Current - It(av) - Amperes
300
400
500
600
700
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
Maximum Allowable Case Temperature
(Rectangular Waveform)
(Rectangular Waveform)
2000
130
1800
270°
1600
120
360°
Max. Case Temperature - Tcase - °C
Maximum Power Dissipation Per SCR - Watts
0.01
0.1
Time - t - Seconds
180°
1400
120°
90°
1200
60°
30°
1000
15°
800
600
400
110
100
90
80
70
15°
200
50
0
0
200
400
600
800
Average On-State Current - It(av) - Amperes
1000
1200
30°
60°
60
90°
120°
180°
360°C
270°
40
0
200
400
600
800
Average On-State Current - It(av) - Amperes
1000
Revision Date: 08/25/2008
1200
