Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
Revision Date: 11/7/2001
ND41__32
ND41 Outline Dimensions
Dimension Inches Millimeters
A 4.57 116
B 3.66 93
C 3.15 80.0
E 2.06 52.3
F 2.05 52.0
G 1.97 50.0
H 1.90 48.3
J 1.50 38.1
K 1.38 35.0
L 1.35 34.3
M 1.122 28.5
N .71 18.0
P .57 14.5
Q .625 15.9
R .394 10.00
S .350 8.9
T M8 Metric M8
U .22 Dia. 5.6 Dia.
W .12 3.0
Note: Dimensions are for reference only.
ND41__32
Dual Diode Isolated
POW-R-BLOKTM Module
200-320 Amperes / 600-2000 Volts
Ordering Information:
Select the complete eight digit
module part number from the table
below.
Example: ND412032 is a 2000Volt,
320 Ampere Dual Diode Isolated
POW-R-BLOKTM Module
Type
Voltage
Volts
(x100)
Current
Amperes
(x10)
ND41 06
08
10
12
14
16
18
20
20
22
24
26
28
30
32
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.
POW-R-BLOKTM has been tested and
recognized by the Underwriters
Laboratories.
Features:
T Electrically Isolated Heatsinking
T Aluminum Nitride Isolator
T Compression Bonded Elements
T Metal Baseplate
T Low Thermal Impedance
for Improved Current Capability
T UL Recognized
Benefits:
T No Additional Insulation
Components Required
T Easy Installation
T No Clamping Components
Required
T Reduce Engineering Time
Applications:
T Bridge Circuits
T AC & DC Motor Drives
T Battery Supplies
T Power Supplies
T Large IGBT Circuit Front Ends
CONNECTION DIAGRAM
A
KAK
DIODE 1
DIODE 2
MK
G
A
B
N
R
T - M8 THD. (3 TYP.)
U - DIA. (4 TYP.)
OUTLINE DRAWING
A
K
AK
J
CS
P
Q
F
H
WL
E
W
Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
Revision Date: 11/7/2001
ND41__32
Absolute Maximum Ratings
Characteristics Conditions Symbol Units
Repetitive Peak Reverse Blocking Voltage VRRM up to 2000 V
Non-Repetitive Peak Reverse Blocking Voltage
(t < 5 msec)
V
RSM V
RRM + 200 V
RMS Forward Current 180° Conduction, TC=101°C
180° Conduction, TC=105°C
180° Conduction, TC=109°C
180° Conduction, TC=112°C
IF(RMS)
IF(RMS)
IF(RMS)
IF(RMS)
502
470
440
408
A
A
A
A
Average Forward Current 180° Conduction, TC=101°C
180° Conduction, TC=105°C
180° Conduction, TC=109°C
180° Conduction, TC=112°C
IF(AV)
IF(AV)
IF(AV)
IF(AV)
320
300
280
260
A
A
A
A
Peak One Cycle Surge Current, Non-Repetitive
Initial Tj = Tj max
60 Hz, 100% VRRM reapplied
60 Hz, No VRRM reapplied
IFSM
IFSM
8000
10,000
A
A
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100% VRRM reapplied IFSM 5750 A
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% VRRM reapplied IFSM 4975 A
I2t for Fusing for One Cycle, 8.3 milliseconds I2t 266,000 A2 sec
Operating Temperature TJ -40 to +150 °C
Storage Temperature Tstg -40 to +150 °C
Max. Mounting Torque, M6 Mounting Screw 45
5
in.-Lb.
Nm
Max. Mounting Torque, M8 Terminal Screw 95
11
in.-Lb.
Nm
Module Weight, Typical 840 g
1.85 lb.
V Isolation @ 25C Vrms 2500 V
Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
Revision Date: 11/7/2001
ND41__32
Electrical Characteristics, TJ=25°C unless otherwise specified
Characteristics Symbol Test Conditions Min. Max. Units
Repetitive Peak Reverse Leakage Current IRRM Up to 2000V, TJ=150°C 50 mA
Peak On-State Voltage VFM I
FM=1500A 1.35 V
Threshold Voltage, Low-level
Slope Resistance, Low-level
V(TO)1
rT1
TJ = 150°C, I = 15%IF(AV) to πIF(AV) 0.764
0.360
V
mΩ
Threshold Voltage, High-level
Slope Resistance, High-level
V(TO)2
rT2
TJ = 150°C, I = πIF(AV) to IFSM 0.710
0.420
V
mΩ
VTM Coefficients, Full Range
TJ = 150°C, I = 15%IF(AV) to IFSM
VFM = A+ B Ln I +C I + D Sqrt I
A =
B =
C =
D =
0.7144
0.0232
4.72 E-4
-6.71 E-3
Diode Reverse Recovery Time (Typical) trr I
fm = 1500A, Tp = 190 µs
di/dt = -25A/µs
10 µs
Thermal Characteristics
Characteristics Symbol
Max.
Units
Thermal Resistance, Junction to Case
RΘJ-C Per Module, both conducting
Per Junction both conducting
0.07
0.14
°C/W
°C/W
Thermal Impedance Coefficients
ZΘJ-C Z
ΘJ-C= K1 (1-exp(-t/τ1))
+ K2 (1-exp(-t/τ2))
+ K3 (1-exp(-t/τ3))
+ K4 (1-exp(-t/τ4))
K1 = 5.27E-3
K2 = 1.17E-2
K3 = 5.26E-2
K4 = 6.97E-2
τ1 = 1.69E-4
τ2 = 2.07E-2
τ3 = 2.37E-1
τ4 = 2.46
Thermal Resistance, Case to Sink Lubricated RΘC-S Per Module 0.03 °C/W
Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual Diode Isolated Module
Up to 320 Amperes & 2000 Volts
Revision Date: 11/7/2001
ND41__32
Maxim u m Transient Thermal Impedance
.00
.02
.04
.06
.08
.10
.12
.14
.16
0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal Impedance - Rjc - °C/W
(Junction to C ase)
M ax i mu m O n -State F o rward V ol tag e D rop
0
1
2
3
4
5
10 100 1000 10000
Instantaneous On-State Current - Ifm - Amperes
On-State Voltage - Vfm - Volts
( Tj = 150 °C )
0180 360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
15°
30°
60° 90°
120° 180°
0
50
100
150
200
250
300
350
0 50 100 150 200 250 300 350
Average On-State Curr ent - If(av) - Amperes
Max. Power Dissipation Per Di ode - W at t s_
(Sinusoidal Waveform)
0180 360
CONDUCTION ANGLE
Maximu m Allo w ab l e Case T e mp eratu re
120°
90°
60°
30°
15°
180°
100
105
110
115
120
125
130
135
140
145
150
0 50 100 150 200 250 300 350
Average On-State Current - If(av) - Amperes
Max. Case Temp erature - Tcase -°C
_
(Sinusoidal Waveform )
0180 360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
50
100
150
200
250
300
350
400
450
500
0 100 200 300 400 500
Average On-State Current - If( av) - Amperes
Max. Power Dissipation Per Diode - Watts_
(Rectangular Waveform )
0180 360
CONDUCTION ANGLE
Maximum Allowable Case T emperature
270°
180°
120°
90°
60°
30°
15°
360°
80
90
100
110
120
130
140
150
0 100 200 300 400 500
Averag e O n-S tate C urr en t - If(av) - Amp er es
Max. Case Temp erature - Tcase -°C
_
(Rectangular Waveform)
