ND41__32
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
TM
OUTLINE DRAWING
T - M8 THD. (3 TYP.)
M
K
U - DIA. (4 TYP.)
Description:
Powerex Dual Diode Modules are
designed for use in applications
requiring rectification and isolated
packaging. The modules are isolated
for easy mounting with other
components on a common heatsink.
TM
POW-R-BLOK
has been tested and
recognized by the Underwriters
Laboratories.
ND41__32
Dual Diode Isolated
TM
POW-R-BLOK Module
200-320 Amperes / 600-2000 Volts
A
G J
AK
N
K
C
B
S
A
Q
W
P
E
W
R
L
H
F
Features:
T
T
T
T
T
Electrically Isolated Heatsinking
Aluminum Nitride Isolator
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
for Improved Current Capability
T
UL Recognized
DIODE 1
K
AK
A
DIODE 2
CONNECTION DIAGRAM
Benefits:
Ordering Information
:
T
No Additional Insulation
Components Required
T
Easy Installation
T
No Clamping Components
Required
T
Reduce Engineering Time
ND41 Outline Dimensions
Dimension
A
B
C
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
U
W
Inches
4.57
3.66
3.15
2.06
2.05
1.97
1.90
1.50
1.38
1.35
1.122
.71
.57
.625
.394
.350
M8 Metric
.22 Dia.
.12
Millimeters
116
93
80.0
52.3
52.0
50.0
48.3
38.1
35.0
34.3
28.5
18.0
14.5
15.9
10.00
8.9
M8
5.6 Dia.
3.0
Select the complete eight digit
module part number from the table
below.
Example: ND412032 is a 2000Volt,
320 Ampere Dual Diode Isolated
TM
POW-R-BLOK
Module
Applications:
Type
ND41
Voltage
Volts
(x100)
06
08
10
12
14
16
18
20
Current
Amperes
(x10)
20
22
24
26
28
30
32
T
T
T
T
T
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
Note: Dimensions are for reference only.
Revision Date: 11/7/2001
ND41__32
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
TM
Absolute Maximum Ratings
Characteristics
Repetitive Peak Reverse Blocking Voltage
Non-Repetitive Peak Reverse Blocking Voltage
(t < 5 msec)
RMS Forward Current
180° Conduction, T
C
=101°C
180° Conduction, T
C
=105°C
180° Conduction, T
C
=109°C
180° Conduction, T
C
=112°C
180° Conduction, T
C
=101°C
180° Conduction, T
C
=105°C
180° Conduction, T
C
=109°C
180° Conduction, T
C
=112°C
60 Hz, 100% V
RRM
reapplied
60 Hz, No V
RRM
reapplied
60 Hz, 100% V
RRM
reapplied
60 Hz, 100% V
RRM
reapplied
Conditions
Symbol
V
RRM
V
RSM
I
F(RMS)
I
F(RMS)
I
F(RMS)
I
F(RMS)
I
F(AV)
I
F(AV)
I
F(AV)
I
F(AV)
I
FSM
I
FSM
I
FSM
I
FSM
I t
T
J
T
stg
2
Units
up to 2000
V
RRM
+ 200
502
470
440
408
320
300
280
260
8000
10,000
5750
4975
266,000
-40 to +150
-40 to +150
45
5
95
11
840
1.85
2
V
V
A
A
A
A
A
A
A
A
A
A
A
A
A sec
°C
°C
in.-Lb.
Nm
in.-Lb.
Nm
g
lb.
V
Average Forward Current
Peak One Cycle Surge Current, Non-Repetitive
Initial T
j
= T
j
max
Peak Three Cycle Surge Current, Non-Repetitive
Peak Ten Cycle Surge Current, Non-Repetitive
I t for Fusing for One Cycle, 8.3 milliseconds
Operating Temperature
Storage Temperature
Max. Mounting Torque, M6 Mounting Screw
Max. Mounting Torque, M8 Terminal Screw
Module Weight, Typical
V Isolation @ 25C
2
V
rms
2500
Revision Date: 11/7/2001
ND41__32
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
TM
Electrical Characteristics, T
J
=25°C unless otherwise specified
Characteristics
Repetitive Peak Reverse Leakage Current
Peak On-State Voltage
Threshold Voltage, Low-level
Slope Resistance, Low-level
Threshold Voltage, High-level
Slope Resistance, High-level
V
TM
Coefficients, Full Range
Symbol
I
RRM
V
FM
V
(TO)1
r
T1
V
(TO)2
r
T2
Test Conditions
Up to 2000V, T
J
=150°C
I
FM
=1500A
T
J
= 150°C, I = 15%I
F(AV)
to
π
I
F(AV)
T
J
= 150°C, I =
π
I
F(AV)
to I
FSM
T
J
= 150°C, I = 15%I
F(AV)
to I
FSM
V
FM
= A+ B Ln I +C I + D Sqrt I
Diode Reverse Recovery Time (Typical)
t
rr
I
fm
= 1500A, T
p
= 190 µs
di/dt = -25A/µs
A=
B=
C=
D=
Min.
Max.
50
1.35
0.764
0.360
0.710
0.420
0.7144
0.0232
4.72 E-4
-6.71 E-3
10
µs
Units
mA
V
V
m
Ω
V
m
Ω
Thermal Characteristics
Characteristics
Thermal Resistance, Junction to Case
Thermal Impedance Coefficients
Symbol
R
ΘJ-C
Z
Θ
J-C
Per Module, both conducting
Per Junction both conducting
Z
Θ
J-C
= K
1
(1-exp(-t/
τ
1
))
+ K
2
(1-exp(-t/
τ
2
))
+ K
3
(1-exp(-t/
τ
3
))
+ K
4
(1-exp(-t/
τ
4
))
Thermal Resistance, Case to Sink Lubricated
R
ΘC-S
Per Module
K
1
= 5.27E-3
K
2
= 1.17E-2
K
3
= 5.26E-2
K
4
= 6.97E-2
Max.
0.07
0.14
τ
1
= 1.69E-4
τ
2
= 2.07E-2
τ
3
= 2.37E-1
τ
4
= 2.46
0.03
°C/W
Units
°C/W
°C/W
Revision Date: 11/7/2001
ND41__32
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
TM
Ma x im um On-Sta te Forw a rd Volta ge Drop
( Tj = 150 °C )
5
Maximum Transient Thermal Impedance
(Junction to Case)
.16
.14
Thermal Impedance - Rjc - °C/W
On-State Voltage - Vfm - Volts
4
.12
.10
.08
.06
.04
.02
3
2
1
0
10
100
1000
10000
.00
0.001
0.01
0.1
1
10
100
Instantaneous On-State Current - Ifm - Am peres
Time - t - Seconds
Maximum Allowable Case Temperature
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
350
120°
Max. Power Dissipation Per Diode - Watts_
300
250
200
15°
150
100
50
0
0
50
100
150
200
250
300
350
Average On-State Current - If(av) - Amperes
0
180
360
(Sinusoidal Waveform)
150
145
140
135
130
125
120
115
110
105
100
0
50
100
150
200
250
300
350
15°
0
180
360
90°
60°
30°
Max. Case Temperature - Tcase -°C_
180°
CONDUCTION ANGLE
30°
60°
90°
120°
180°
CONDUCTION ANGLE
Average On-State Current - If(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
500
Max. Power Dissipation Per Diode - Watts_
Maximum Allowable Case Temperature
(Rectangular Waveform)
150
270°
400
350
300
250
200
150
100
50
0
0
100
200
300
0
180°
120°
90°
60°
15°
30°
360°
Max. Case Temperature - Tcase -°C_
450
140
130
120
110
100
90
270°
80
15°
30°
60°
90°
120°
180°
360°
0
180
360
CONDUCTION ANGLE
CONDUCTION ANGLE
180
360
400
500
0
100
200
300
400
500
Average On-State Current - If(av) - Amperes
Average On-State Current - If(av) - Amperes
Revision Date: 11/7/2001
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