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 Dual SCR
POW-R-BLOKTM 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:
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: CM4312A2 is a
1200 Volt, 25 Ampere Dual SCR
POW-R-BLOKTM Module.
Voltage
Current Rating
Type
Volts (x100)
Amperes (25)
CM43
12
A2
16
S-13
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
Dual SCR
POW-R-BLOKTM Modules
25 Amperes/1200-1600 Volts
CM4312A2
CM4316A2
Outline Drawing
CM4312A2, CM4316A2
Dual SCR POW-R-BLOKTM Modules
25 Amperes/1200-1600 Volts
J
F
C
K
E
E
G
D
H
A
B
K2 G2
K1
G1
K2
G2
G1
K1
K1
A2
L - DIA.
(2 TYP.)
M - M5 THD
(3 TYP.)
A1K2
K1
A2
.110 TAB
A1K2
S-14
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM4312A2, CM4316A2
Dual SCR POW-R-BLOKTM Modules
25 Amperes/1200-1600 Volts
Absolute Maximum Ratings
Characteristics
Symbol
CM4312A2
CM4316A2
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)
39
39
Amperes
Average On-State Current, TC = 86C
IT(AV)
25
25
Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (60Hz)
ITSM
490
490
Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (50Hz)
ITSM
445
445
Amperes
I2t (for Fusing), 8.3 milliseconds
I2t
1000
1000
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 = 0.5A, VD = 1/2 VDRM
S-15
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM4312A2, CM4316A2
Dual SCR POW-R-BLOKTM Modules
25 Amperes/1200-1600 Volts
Electrical and Thermal Characteristics,
Tj = 25C unless otherwise specified
Characteristics
Symbol
Test Conditions
CM4312A2/CM4316A2
Units
Blocking State Maximums
Forward Leakage Current, Peak
IDRM
Tj = 125C, VDRM = Rated
10
mA
Reverse Leakage Current, Peak
IRRM
Tj = 125C, VRRM = Rated
10
mA
Conducting State Maximums
Peak On-State Voltage
VTM
ITM = 75A
1.8
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
0.8
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
50
mA
Gate Voltage-to-Trigger
VGT
VD = 6V, RL = 2
3.0
Volts
Non-Triggering Gate Voltage
VGDM
Tj = 125C, VD = 1/2 VDRM
0.25
Volts
S-16
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM4312A2, CM4316A2
Dual SCR POW-R-BLOKTM Modules
25 Amperes/1200-1600 Volts
INSTANTANEOUS ON-STATE CURRENT, I
TM
,
(AMPERES)
MAXIMUM
ON-STATE CHARACTERISTICS
0.5
10
0
1.5
2.0
2.5
3.0
3.5
10
1
10
2
10
3
INSTANTANEOUS ON-STATE VOLTAGE, V
TM
, (VOLTS)
1.0
T
j
= 125
o
C
10
4
CYCLES AT 60 H
Z
MAXIMUM PEAK SURGE (NON-REPETITIVE)
CURRENT, I
TSM
, (AMPERES)
MAXIMUM ALLOWABLE PEAK SURGE
(NON-REPETITIVE) CURRENT
0
10
1
10
2
10
0
600
500
400
300
200
100
MAXIMUM ALLOWABLE CASE TEMPERATURE
(SINUSOIDAL WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
5
30
10
15
20
130
60
o
360
o
RESISTIVE,
INDUCTIVE
LOAD PER
SINGLE
ELEMENT
180
o
120
110
100
90
80
70
60
= 30
o
90
o
120
o
25
MAXIMUM ON-STATE POWER DISSIPATION
(SINUSOIDAL WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0
5
25
10
15
20
0
45
360
o
RESISTIVE,
INDUCTIVE
LOAD PER
SINGLE
ELEMENT
60
o
90
o
5
10
15
20
25
30
35
40
= 30
o
120
o
180
o
MAXIMUM ALLOWABLE CASE TEMPERATURE
(RECTANGULAR WAVEFORM)
AVERAGE ON-STATE CURRENT, I
T(AV)
,
(AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
0
5
25
10
15
20
30
35
40
60
70
80
90
100
110
120
130
360
o
RESISTIVE, INDUCTIVE
LOAD PER SINGLE
ELEMENT
DC
60
o
= 30
o
90
o
180
o
270
o
120
o
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
5
25
10
15
20
30
35
40
360
o
RESISTIVE, INDUCTIVE LOAD
PER SINGLE ELEMENT
55
50
45
40
35
30
25
20
15
10
5
120
o
180
o
270
o
60
o
90
o
DC
= 30
o
TIME, t, (SECONDS)
TRANSIENT THERMAL IMPEDANCE
CHARACTERISTICS (JUNCTION-TO-CASE)
0
10
-3
0.2
0.4
0.6
0.8
1.0
10
-1
10
0
10
1
TRANSIENT THERMAL IMPEDANCE, Z
(J-C)
(t), (
o
C/WATT)
10
-2
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