Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOKTM
www.pwrx.com AC Switch SCR Isolated Module
1550 Amps RMS, Up to 1800 Volts
Revision Date: 09/28/2009
PA43__07
Ordering Information:
Select the complete eight-digit
module part number from the table
below.
Example: PA431807 is a 1800 Volt,
700A Average/SCR (1550 Ampere
RMS/Switch) SCR AC Switch
Isolated POW-R-BLOKTM Module
Type
Voltage
Volts (x100) Current
Amperes
(x100)
PA43 12
14
16
18
07
Average
Current
Per SCR
Description:
Powerex AC Switch SCR Modules are
designed for use in applications requiring
phase control and isolated packaging. The
modules are isolated for easy mounting with
other components on a common heatsink.
Features:
Electrically Isolated Heatsinking
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
for Improved Current Capability
UL Recognized (E78240)
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
Applications:
Transfer Switches
AC Welders
Motor Soft Starters
http://store.iiic.cc/
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOKTM
www.pwrx.com AC Switch SCR Isolated Module
1550 Amps RMS, Up to 1800 Volts
Revision Date: 09/28/2009
PA43__07
Absolute Maximu m Ratin gs
Characteristics Conditions Symbol Units
Repetitive Peak Forward and Reverse Blocking
Voltage V
DRM & VRRM 1800 V
Non-Repetitive Peak Blocking Voltage
(t < 5 msec) V
RSM 1900 V
RMS Current
(AC Switch, 180 o Conduction) 180° Conduction, TC=74°C
180° Conduction, TC=78°C
180° Conduction, TC=82°C
180° Conduction, TC=86°C
IT(RMS)
IT(RMS)
IT(RMS)
IT(RMS)
1775
1665
1550
1440
A
A
A
A
A
verage Forward Current Per SCR
(180 o Conduction) 180° Conduction, TC=74°C
180° Conduction, TC=78°C
180° Conduction, TC=82°C
180° Conduction, TC=86°C
IT(AV)
IT(AV)
IT(AV)
IT(AV)
800
750
700
650
A
A
A
A
Peak One Cycle Surge Current, Non-Repetitive
Tj = 25C, Vr = 0 60 Hz
50 Hz ITSM
ITSM 69,000
63,000 A
A
Peak One Cycle Surge Current, Non-Repetitive
Tj = 25C, Vr = Vrrm 60 Hz
50 Hz ITSM
ITSM 46,000
42,000 A
A
Peak One Cycle Surge Current, Non-Repetitive
Tj = 125C, Vr = 0 60 Hz
50 Hz ITSM
ITSM 60,000
54,750 A
A
Peak One Cycle Surge Current, Non-Repetitive
Tj = 125C, Vr = Vrrm 60 Hz
50 Hz ITSM
ITSM 40,000
36,500 A
A
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, Tj = 125C, Vr = Vrrm ITSM 32,100 A
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, Tj = 125C, Vr = Vrrm ITSM 25,200 A
I2t for Fusing for One Cycle
Tj = 125C, Vr = Vrrm 8.3 milliseconds
10 milliseconds I2t
I2t 6.60 x 10 6
6.66 x 10 6
A2 sec
A2 sec
Maximum Rate-of-Rise of On-State Current,
(Non-Repetitive) Per JEDEC Standard 397 5.2.2.6 di/dt 400 A/μs
Maximum Rate-of-Rise of On-State Current,
(Repetitive) Per JEDEC Standard 397 5.2.2.6 di/dt 150 A/μs
Operating Temperature TJ -40 to +125 °C
Storage Temperature Tstg -40 to +150 °C
Max. Mounting Torque, M6 Mounting Screw 132
15 in. – Lb.
Nm
Max. Mounting Torque, M10 Terminal Screw 106
12 in. – Lb.
Nm
Module Weight, Typical 5.33 kg
11.75 lb
V Isolation @ 25C Vrms 3000 V
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 suitability of use, reliability, capability,
of future availability of this product.
http://store.iiic.cc/
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOKTM
www.pwrx.com AC Switch SCR Isolated Module
1550 Amps RMS, Up to 1800 Volts
Revision Date: 09/28/2009
PA43__07
Electrical Characteristics, TJ=25°C unless otherwise specified
Characteristics Symbol Test Conditions Min. Max.
Units
Repetitive Peak Forward Leakage Current IDRM Up to 1800V, TJ=125°C 100 mA
Repetitive Peak Reverse Leakage Current IRRM Up to 1800V, TJ=125°C 100 mA
Peak On-State Voltage VFM ITM=3000A, TJ=125°C 1.30 V
Threshold Voltage, Low-level
Slope Resistance, Low-level V(TO)1
rT1 TJ = 125°C, I = 15%IT(AV) to πIT(AV) 0.703
0.184 V
mΩ
Threshold Voltage, High-level
Slope Resistance, High-level V(TO)2
rT2 TJ = 125°C, I = πIT(AV) to ITSM 1.01
0.117 V
mΩ
VTM Coefficients, Full Range
TJ = 125°C, I = 50A to 6kA
VTM = A+ B Ln I +C I + D Sqrt I
A =
B =
C =
D =
0.7999
-4.62 E-02
7.33 E-05
1.10 E-02
Minimum dV/dt dV/dt Exponential to 0.67VDRM
Tj=125°C, Gate Open 300
V/μs
Gate Trigger Current IGT Tj=25°C, VD=12V 200 mA
Gate Trigger Voltage VGT Tj=25°C, VD=12V 4.5 Volts
Non-Triggering Gate Voltage VGDM Tj=125°C, VD= ½ VDRM 0.15 Volts
Holding Current IH 300 mA
Peak Forward Gate Current IGTM 4.0 Amp
Peak Reverse Gate Voltage VGRM 5 Volts
Maximum Average Gate Power Dissipation PGM (AVE) 16 Watts
Thermal Characteristics
Characteristics Symbol
Max. Units
Thermal Resistance, Junction to Case
RΘJ-C Per Module, both conducting
Per Junction, both conducting
0.029
0.058 °C/W
°C/W
Thermal Impedance Coefficients
ZΘJ-C Z
ΘJ-C= K1 (1-exp(-t/t1))
+ K2 (1-exp(-t/t2))
+ K3 (1-exp(-t/t3))
+ K4 (1-exp(-t/t4))
K1 = 5.04 E-04
K2 = 2.31 E-03
K3 = 2.83 E-03
K4 =5.24 E-02
t1 = 2.47 E-03
t2 = 4.42 E-02
t3 = 1.370
t4 = 9.668
Thermal Resistance, Case to Sink Lubricated RΘC-S Per Module 0.009 °C/W
http://store.iiic.cc/
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOKTM
www.pwrx.com AC Switch SCR Isolated Module
1550 Amps RMS, Up to 1800 Volts
Revision Date: 09/28/2009
PA43__07
Maximum Transient Thermal Impedance
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal Impedance - Rjc - °C/W
(Junction To Case)
Typical On-State Forward Voltage Drop
0
0.5
1
1.5
2
2.5
3
10 100 1000 10000
Instantaneous On-State Current - Itm - Amperes
On- S tate V o ltag e - V tm - V olts
(Tj = 125C)
0180 360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
50
60
70
80
90
100
110
120
130
0 200 400 600 800 1000 1200 1400
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase -°C_
(Rectangular Waveform)
0180 360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30°
15°
180°
70
80
90
100
110
120
130
0 100 200 300 400 500 600 700 800
Average On-State Current - It (av) - Amperes
Max. Case Temperature - Tcase -°C_
(Sinusoidal Waveform)
0180 360
CONDUCTION ANGLE
Maximum On- State Power Dissipa ti on
15°
30°
60°
90°
120° 180°
0
100
200
300
400
500
600
700
800
900
1000
0 100 200 300 400 500 600 700 800
Average On-State Current - It(av) - Amperes
Max. Power Dissipation Per SCR - Watts_
(Sinusoidal Waveform )
0180 360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
360°
15°
270°
180°
120°
30°
60° 90°
0
200
400
600
800
1000
1200
1400
0 200 400 600 800 1000 1200 1400
Average On-State Current - It(av) - Amperes
Max. Power Dissipat i on Per SCR - Watts_
(Rectangular Waveform)
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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOKTM
www.pwrx.com AC Switch SCR Isolated Module
1550 Amps RMS, Up to 1800 Volts
Revision Date: 09/28/2009
PA43__07
http://store.iiic.cc/
