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
0.906
23
F
0.827
21
G
0.650
16.5
H
0.512
13
J
0.354
9
K
0.256
6.5
L
0.256 Dia.
Dia. 6.5
M
M5 Metric
M5
Description:
Powerex SCR/Diode
POW-R-BLOKTM Modules are
designed for use in applications
requiring Half-Control and
isolated packaging. The modules
are isolated for easy mounting
with other components on
common heatsinks.
Features:
Isolated Mounting
Glass Passivated Chips
Metal Baseplate
Low Thermal Impedance
Applications:
Battery Supplies
Bridge Circuits
AC and DC Motor Control
Tap Changers
Lighting Control
Ordering Information:
Select the complete eight digit
module part number you desire
from the table below.
Example: CM421290 is a
1200 Volt, 90 Ampere SCR/Diode
POW-R-BLOKTM Module.
Voltage
Current Rating
Type
Volts (x100)
Amperes (90)
CM42
12
90
16
SD-21
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
SCR/Diode
POW-R-BLOKTM Modules
90 Amperes/1200-1600 Volts
CM421290
CM421690
Outline Drawing
CM421290, CM421690
SCR/Diode
POW-R-BLOKTM Modules
90 Amperes/1200-1600 Volts
J
F
C
K
E
E
G
D
H
A
B
.110 TAB
(2 TYP.)
L - DIA.
(3 TYP.)
M - M5 THD
G1
G1
A1K2
K1
K1
A2
K1
A1K2
K1
A2
SD-22
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM421290, CM421690
SCR/Diode POW-R-BLOKTM Modules
90 Amperes/1200-1600 Volts
Absolute Maximum Ratings
Characteristics
Symbol
CM421290
CM421690
Units
Peak Forward Blocking Voltage
VDRM
1200
1600
Volts
Transient Peak Forward Blocking Voltage (Non-Repetitive), t < 5ms
VDSM
1350
1700
Volts
DC Forward Blocking Voltage
VD(DC)
960
1280
Volts
Peak Reverse Blocking Voltage
VRRM
1200
1600
Volts
Transient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms
VRSM
1350
1700
Volts
DC Reverse Blocking Voltage
VR(DC)
960
1280
Volts
RMS On-State Current
IT(RMS), IF(RMS)
140
140
Amperes
Average On-State Current, TC = 82C
IT(AV), IF(AV)
90
90
Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (60Hz)
ITSM, IFSM
1800
1800
Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (50Hz)
ITSM, IFSM
1730
1730
Amperes
I2t (for Fusing), 8.3 milliseconds
I2t
15000
15000
A2sec
Critical Rate-of-Rise of On-State Current*
di/dt
100
100
Amperes/ s
Peak Gate Power Dissipation
PGM
5.0
5.0
Watts
Average Gate Power Dissipation
PG(AV)
0.5
0.5
Watts
Peak Forward Gate Voltage
VGFM
10
10
Volts
Peak Reverse Gate Voltage
VGRM
5.0
5.0
Volts
Peak Forward Gate Current
IGFM
2.0
2.0
Amperes
Storage Temperature
TSTG
-40 to 125
-40 to 125
C
Operating Temperature
Tj
-40 to 125
-40 to 125
C
Maximum Mounting Torque M6 Mounting Screw
--
26
26
in.-lb.
Maximum Mounting Torque M5 Terminal Screw
--
17
17
in.-lb.
Module Weight (Typical)
--
160
160
Grams
V Isolation
VRMS
2500
2500
Volts
*Tj = 125C, IG = 1.0A, VD = 1/2 VDRM
Electrical and Thermal Characteristics,
Tj = 25C unless otherwise specified
Characteristics
Symbol
Test Conditions
CM421290/CM421690
Units
Blocking State Maximums
Forward Leakage Current, Peak
IDRM
Tj = 125C, VDRM = Rated
15
mA
Reverse Leakage Current, Peak
IRRM
Tj = 125C, VRRM = Rated
15
mA
Conducting State Maximums
Peak On-State Voltage
VFM, VTM
IFM = 270A, ITM = 270A
1.4
Volts
Switching Minimums
Critical Rate-of-Rise of Off-State Voltage
dv/dt
Tj = 125C, VD = 2/3 VDRM
500
Volts/ s
Thermal Maximums
Thermal Resistance, Junction-to-Case
R (J-C)
Per Module
0.3
C/Watt
Thermal Resistance, Case-to-Sink (Lubricated)
R (C-S)
Per Module
0.2
C/Watt
Gate Parameters Maximums
Gate Current-to-Trigger
IGT
VD = 6V, RL = 2
100
mA
Gate Voltage-to-Trigger
VGT
VD = 6V, RL = 2
2.0
Volts
Non-Triggering Gate Voltage
VGDM
Tj = 125C, VD = 1/2 VDRM
0.25
Volts
SD-23
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM421290, CM421690
SCR/Diode POW-R-BLOKTM Modules
90 Amperes/1200-1600 Volts
INSTANTANEOUS ON-STATE CURRENT, I
TM
,
(AMPERES)
MAXIMUM
ON-STATE CHARACTERISTICS
10
0
10
1
10
2
10
3
T
j
= 125
o
C
INSTANTANEOUS ON-STATE VOLTAGE, V
TM
, (VOLTS)
0.8
1.0
1.2
1.4
1.6
1.8
CYCLES AT 60 H
Z
MAXIMUM PEAK SURGE (NON-REPETITIVE)
CURRENT, I
TSM
, (AMPERES)
MAXIMUM ALLOWABLE PEAK SURGE
(NON-REPETITIVE) CURRENT
0
400
800
1200
1600
2000
10
0
10
1
10
2
MAXIMUM ALLOWABLE CASE TEMPERATURE
(SINUSOIDAL WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
20
100
40
60
80
50
80
70
60
90
100
110
120
130
= 30
o
120
o
60
o
90
o
360
o
RESISTIVE, INDUCTIVE
LOAD PER SINGLE
ELEMENT
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
20
100
40
60
80
0
160
360
o
RESISTIVE,
INDUCTIVE
LOAD PER
SINGLE
ELEMENT
20
40
60
80
100
120
140
= 30
o
120
o
180
o
60
o
90
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
20
100
40
60
80
120 140 160
60
70
80
90
100
110
120
130
360
o
RESISTIVE, INDUCTIVE
LOAD PER SINGLE
ELEMENT
= 30
o
60
o
90
o
120
o
180
o
270
o
DC
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
100
40
60
80
120 140 160
360
o
RESISTIVE, INDUCTIVE LOAD
PER SINGLE ELEMENT
20
40
60
120
140
80
100
160
120
o
180
o
270
o
= 30
o
60
o
90
o
DC
TIME, t, (SECONDS)
TRANSIENT THERMAL IMPEDANCE
CHARACTERISTICS (JUNCTION-TO-CASE)
0
0.10
0.20
0.30
0.40
TRANSIENT THERMAL IMPEDANCE, Z
(J-C)
(t), (
o
C/WATT)
10
0
10
1
0.35
0.25
0.15
0.05
10
-3
10
-2
10
-1
10
0
INSTANTANEOUS GATE CURRENT, I
G
, (mA)
TRIGGERING
CHARACTERISTICS
INSTANTANEOUS GATE VOLTAGE, V
G
, (VOLTS)
10
-1
10
0
10
1
10
2
V
GFM
= 10V
V
GT
= 3.0V
P
GM
= 5.0W
P
G(AV)
=
0.50W
I
GFM
=
2.0A
I
GT
= 100mA
T
j
= 25
o
C
V
GDM
= 0.25V
10
1
10
2
10
3
10
4
MAXIMUM ALLOWABLE CASE TEMPERATURE
(REVERSE PARALLEL CONNECTION)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
40
80
120
160
200
360
o
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.
60
o
,
90
o
= 30
o
120
o
,
180
o
60
70
80
90
130
100
110
120
50
SD-24
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM421290, CM421690
SCR/Diode POW-R-BLOKTM Modules
90 Amperes/1200-1600 Volts
MAXIMUM ON-STATE POWER DISSIPATION
(REVERSE PARALLEL CONNECTION)
RMS ON-STATE CURRENT, I
(RMS)
, (AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
40
80
120
200
160
360
o
RESISTIVE,
INDUCTIVE LOAD
NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN
THE AVERAGE ON-STATE POWER DISSIPATION PER MODULE
AND THE RMS ON-STATE CURRENT.
0
40
80
120
320
160
200
240
280
90
o
60
o
= 30
o
120
o
180
o
MAXIMUM ALLOWABLE CASE TEMPERATURE
(SINGLE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, I
C
, (AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
40
200
80
120
160
50
80
70
60
90
100
110
120
130
= 30
o
60
o
90
o
360
o
RESISTIVE,
INDUCTIVE
LOAD
180
o
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.
120
o
MAXIMUM ON-STATE POWER DISSIPATION
(SINGLE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, I
O
, (AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
0
360
o
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)
40
80
120
160
200
240
280
320
40
80
120
160
200
= 30
o
120
o
90
o
60
o
180
o
80
70
60
50
MAXIMUM ALLOWABLE CASE TEMPERATURE
(THREE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, I
O
, (AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
40
200
80 120 160
240 280 320
110
120
130
360
o
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
= 30
o
60
o
90
o
120
o
100
90
MAXIMUM ON-STATE POWER DISSIPATION
(THREE PHASE BRIDGE CONNECTION)
DC OUTPUT CURRENT, I
O
, (AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
40
200
80 120 160
240 280 320
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.
360
o
RESISTIVE, INDUCTIVE LOAD
PER SINGLE ELEMENT
= 30
o
120
o
90
o
60
o
0
40
80
120
320
200
240
280
160
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