Page 1
Dimension Inches Millimeters
A 3.681 Max. 93.5 Max.
B 3.150 80
C 1.181 Max. 30 Max.
D 1.024 Max. 26 Max.
E 0.827 21
F 0.787 20
G 0.689 17.5
H 0.492 12.5
J 0.354 9
K 0.256 6.5
L 0.256 Dia. Dia. 6.5
M M5 Metric M5
Description:
Powerex Dual SCR
POW-R-BLOK™ Modules are
designed for use in applications
requiring phase control and
isolated packaging.The modules
are isolated for easy mounting
with other components on
common heatsinks.
Features:
M Isolated Mounting
M Glass Passivated Chips
M Metal Baseplate
M Low Thermal Impedance
M UL Recognized A
Applications:
M Battery Supplies
M Bridge Circuits
M AC and DC Motor Control
M Tap Changers
M Lighting Control
Ordering Information:
Select the complete eight digit
module part number you desire
from the table below.
Example: CM430855 is an
800 Volt, 55 Ampere Dual SCR
POW-R-BLOK™ Module.
Voltage Current Rating
Type Volts (x100) Amperes (55)
CM43 08 55
S-17
Powerex,Inc., 200 Hillis Street,Youngwood, Pennsylvania 15697-1800 (724) 925-7272
Dual SCR
POW-R-BLOK™ Modules
55 Amperes/800 Volts
CM430855
Outline Drawing
CM430855
Dual SCR POW-R-BLOK™ Modules
55 Amperes/800 Volts
A
J
E
C
K
G
F
F
D
H
A
B
M - M5 THD
(3 TYP.)
A1K2
A2
G1
G2
K1
K1
K1 G1
K2 G2
A2K1A1K2
L - DIA.
(2 TYP.)
.110 TAB
K2
Page 2
S-18
Powerex,Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM430855
Dual SCR POW-R-BLOK™ Modules
55 Amperes/800 Volts
Absolute Maximum Ratings
Characteristics Symbol CM430855 Units
Peak Forward Blocking Voltage V
DRM
800 Volts
Transient Peak Forward Blocking Voltage (Non-Repetitive), t < 5ms V
DSM
960 Volts
DC Forward Blocking Voltage V
D(DC)
640 Volts
Peak Reverse Blocking Voltage V
RRM
800 Volts
Transient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms V
RSM
960 Volts
DC Reverse Blocking Voltage V
R(DC)
640 Volts
RMS On-State Current I
T(RMS)
86 Amperes
Average On-State Current, TC= 86°C I
T(AV)
55 Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (60Hz) I
TSM
1100 Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (50Hz) I
TSM
1000 Amperes
I2t (for Fusing), 8.3 milliseconds I2t 5000 A2sec
Critical Rate-of-Rise of On-State Current* di/dt 100 Amperes/ms
Peak Gate Power Dissipation P
GM
5.0 Watts
Average Gate Power Dissipation P
G(AV)
0.5 Watts
Peak Forward Gate Voltage V
GFM
10 Volts
Peak Reverse Gate Voltage V
GRM
5.0 Volts
Peak Forward Gate Current I
GFM
2.0 Amperes
Storage Temperature T
STG
-40 to 125 °C
Operating Temperature T
j
-40 to 125 °C
Maximum Mounting Torque M6 Mounting Screw — 26 in.-lb.
Maximum Mounting Torque M5 Terminal Screw — 17 in.-lb.
Module Weight (Typical) — 160 Grams
V Isolation V
RMS
2000 Volts
*Tj= 125°C, IG= 1.0A, VD= 1/2 V
DRM
Electrical and Thermal Characteristics, Tj= 25°C unless otherwise specified
Characteristics Symbol Test Conditions CM430855 Units
Blocking State Maximums
Forward Leakage Current, Peak I
DRM
Tj= 125°C, V
DRM
= Rated 10 mA
Reverse Leakage Current, Peak I
RRM
Tj= 125°C, V
RRM
= Rated 10 mA
Conducting State Maximums
Peak On-State Voltage V
TM
ITM= 165A 1.35 Volts
Switching Minimums
Critical Rate-of-Rise of Off-State Voltage dv/dt Tj= 125°C, VD= 2/3 V
DRM
500 Volts/ms
Thermal Maximums
Thermal Resistance, Junction-to-Case R
u(J-C)
Per Module 0.5 °C/Watt
Thermal Resistance, Case-to-Sink (Lubricated) R
u(C-S)
Per Module 0.2 °C/Watt
Gate Parameters Maximums
Gate Current-to-Trigger I
GT
VD= 6V, RL= 2Ω 100 mA
Gate Voltage-to-Trigger V
GT
VD= 6V, RL= 2Ω 3.0 Volts
Non-Trigger ing Gate Voltage V
GDM
Tj= 125°C, VD= 1/2 V
DRM
0.25 Volts
Page 3
S-19
Powerex,Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM430855
Dual SCR POW-R-BLOK™ Modules
55 Amperes/800 Volts
INSTANTANEOUS ON-STATE CURRENT, ITM,
(AMPERES)
MAXIMUM
ON-STATE CHARACTERISTICS
0.4
10
0
0.8
1.2
1.6
2.0
2.4
10
1
10
2
10
3
Tj = 125oC
INSTANTANEOUS ON-STATE VOLTAGE, V
TM
, (VOLTS)
CYCLES AT 60 HZ
MAXIMUM PEAK SURGE (NON-REPETITIVE)
CURRENT, I
TSM
, (AMPERES)
MAXIMUM ALLOWABLE PEAK SURGE
(NON-REPETITIVE) CURRENT
200
10
1
10
2
10
0
300
400
500
600
700
800
900
1000
1100
1200
MAXIMUM ALLOWABLE CASE TEMPERATURE
(SINUSOIDAL WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
130
360
o
u
RESISTIVE,
INDUCTIVE
LOAD PER
SINGLE
ELEMENT
120
110
100
90
80
70
60
50
10 20 30 40 50 60 70 80
u = 30
o
120
o
60o90
o
180
o
MAXIMUM ON-STATE POWER DISSIPATION
(SINUSOIDAL WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
0
80
360
o
u
RESISTIVE, INDUCTIVE LOAD
PER SINGLE ELEMENT
10
20
30
40
50
60
70
10 20 30 40 50 60 70 80
u = 30
o
120
o
180
o
60
o
90
o
180
o
50
MAXIMUM ALLOWABLE CASE TEMPERATURE
(RECTANGULAR WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
60
70
80
90
100
110
120
130
360
o
u
RESISTIVE, INDUCTIVE
LOAD PER SINGLE
ELEMENT
120
o
270
o
u = 30
o
90
o
60
o
DC
20 40 60 80 100
0
MAXIMUM AVERAGE ON-STATE POWER
DISSIPATION (RECTANGULAR WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
20
40
60
80
100
20 40 60 80 100
120
o
180
o
270
o
u = 30
o
60
o
90
o
DC
360
o
u
RESISTIVE, INDUCTIVE LOAD
PER SINGLE ELEMENT
TIME, t, (SECONDS)
TRANSIENT THERMAL IMPEDANCE
CHARACTERISTICS (JUNCTION-TO-CASE)
0
10
-3
0.8
10
-2
10
-1
10
0
TRANSIENT THERMAL IMPEDANCE, Z
u(J-C)
(t), (
o
C/WATT)
10
0
10
1
0.7
0.6
0.5
0.4
0.3
0.2
0.1
INSTANTANEOUS GATE CURRENT, IG, (mA)
TRIGGERING
CHARACTERISTICS
10
1
10
2
10
3
10
4
INSTANTANEOUS GATE VOLTAGE, V
G
, (VOLTS)
10
-1
10
0
10
1
10
2
V
GFM
= 10V
VGT = 3.0V
P
G(AV)
=
0.50W
I
GFM
=
2.0A
IGT = 100mA
Tj = 25oC
PGM = 5.0W
V
GDM
= 0.25V
90
MAXIMUM ALLOWABLE CASE TEMPERATURE
(REVERSE PARALLEL CONNECTION)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0 20 10040 60 80 120 140 160
95
100
105
110
115
120
125
130
85
80
360
o
u
u
RESISTIVE,
INDUCTIVE LOAD
RMS ON-STATE CURRENT, I
(RMS)
, (AMPERES)
NOTE: THE CURVES INDICATE THE
RELATIONSHIP BETWEEN THE CASE
TEMPERATURE AND THE RMS
ON-STATE CURRENT FOR EACH
MODULE.
u = 30
o
180
o
60
o
90
o
120
o
Page 4
S-20
Powerex,Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM430855
Dual SCR POW-R-BLOK™ Modules
55 Amperes/800 Volts
90
o
MAXIMUM ON-STATE POWER DISSIPATION
(REVERSE PARALLEL CONNECTION)
RMS ON-STATE CURRENT, I
(RMS)
, (AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0 20 10040 60 80 120 140 160
0
360
o
u
u
RESISTIVE,
INDUCTIVE LOAD
NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN
THE AVERAGE ON-STATE POWER DISSIPATION PER MODULE
AND THE RMS ON-STATE CURRENT.
20
40
60
80
100
120
140
160
u = 180
o
60
o
30
o
120
o
MAXIMUM ALLOWABLE CASE TEMPERATURE
(SINGLE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, IC, (AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
80
90
100
110
120
130
RESISTIVE,
INDUCTIVE
LOAD
125
115
105
95
85
360
o
u u
NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN
THE CASE TEMPERATURE AND THE DC OUTPUT CURRENT
(FOR TWO ELEMENTS) WHEN USED IN THE SINGLE PHASE
BRIDGE CONFIGURATION.
20 40 60 80 100 120 140 160
u = 30o60o90
o
180
o
120
o
MAXIMUM ON-STATE POWER DISSIPATION
(SINGLE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, IO, (AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
0
360
o
u
u
RESISTIVE,
INDUCTIVE LOAD
NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN
THE AVERAGE ON-STATE POWER DISSIPATION AND THE DC
OUTPUT CURRENT FOR THE SINGLE PHASE BRIDGE
CONFIGURATION (POWER DISSIPATION EXPRESSED FOR EACH
MODULE AND DC OUTPUT CURRENT EXPRESSED FOR THE PAIR)
20
40
60
80
100
120
140
160
u = 30
o
120
o
90
o
60
o
180
o
20 40 60 80 100 120 140 160
MAXIMUM ALLOWABLE CASE TEMPERATURE
(THREE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, IO, (AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
130
360
o
u
NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN
THE CASE TEMPERATURE AND THE DC OUTPUT CURRENT
(FOR THREE MODULES) IN THE THREE PHASE CONFIGURATION.
RESISTIVE,
INDUCTIVE
LOAD
20 40 60 80 100 120 140 160
120
110
100
90
80
70
60
50
u = 30
o
90
o
60
o
120
o
MAXIMUM ON-STATE POWER DISSIPATION
(THREE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, IO, (AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0 20 10040 60 80 120 140 160
0
NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN
THE ON-STATE POWER DISSIPATION (PER MODULE) AND THE
DC OUTPUT CURRENT (FOR THREE MODULES) IN THE THREE
PHASE BRIDGE CONFIGURATION.
20
40
60
80
100
120
140
160
360
o
u
RESISTIVE, INDUCTIVE LOAD
PER SINGLE ELEMENT
u = 30
o
120
o
90
o
60
o
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