Dimension
Inches
Millimeters
A
4.25
108.0
B
2.44
62.0
C
1.38 +0.04/-0.02 35.0 +1.0/-0.5
D
3.660.01
93.00.25
E
1.880.01
48.00.25
F
0.28
7.0
G
1.14
29.0
H
1.83
46.5
J
0.29
7.5
K
0.28
7.0
L
0.63
16.0
M
1.61
41.0
N
0.26
6.5
P
M6
M6
Description:
Powerex Super-Fast Recovery
Single Diode Modules are designed
for use in applications requiring fast
switching. The modules are isolated
for easy mounting with other
components on common
heatsinks.
Features:
Isolated Mounting
Planar Chips
Applications:
Inverters
Choppers
Switching Power Supplies
Free Wheeling
Ordering Information:
Select the complete ten digit
module part number you desire
from the table below.
Example: RM400HA-34S is a
1700 Volt, 400 Ampere, Super Fast
Recovery Single Diode Module.
Current Rating
Voltage
Type
Amperes
Volts (x50)
RM
400
34
1
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
Super Fast Recovery
Single Diode Module
400 Amperes/1700 Volts
RM400HA-34S
Outline Drawing and Circuit Diagram
A
J
D
L
L
K
E
E
BX
C
BE
N - (4 TYP.)
B
G
C
M
F
A
(E)
K
(C)
H
P - (2 TYP.)
2
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
RM400HA-34S
Super Fast Recovery
Single Diode Module
400 Amperes/1700 Volts
Absolute Maximum Ratings
Characteristics
Symbol
RM400HA-34S
Units
Peak Reverse Blocking Voltage
VRRM
1700
Volts
Transient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms
VRSM
1700
Volts
DC Reverse Blocking Voltage
VR(DC)
1360
Volts
DC Current, TC = 90C
IF(DC)
400
Amperes
Peak Half-Cycle Surge (Non-Repetitive) On-State Current (60Hz)
IFSM
8000
Amperes
I2t (for Fusing), 8.3 milliseconds
I2t
2.6 x 105
A2sec
Junction Temperature
Tj
-40 to 150
C
Storage Temperature
TSTG
-40 to 125
C
Maximum Mounting Torque M6 Mounting Screw
--
30
kg.-cm.
Maximum Mounting Torque M6 Terminal Screw
--
30
kg.-cm.
Module Weight (Typical)
--
450
Grams
V Isolation
VRMS
3000
Volts
3
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
RM400HA-34S
Super Fast Recovery
Single Diode Module
400 Amperes/1700 Volts
Electrical and Thermal Characteristics, Tj = 25C unless otherwise specified
Characteristics
Symbol
Test Conditions
RM400HA-34S
Units
Blocking State Maximums
Reverse Leakage Current, Peak
IRRM
VGE = 0V, VRRM = Rated
50
mA
Conducting State Maximums
Peak On-State Voltage
VFM
Tj = 25C, IFM = 400A
2.5
Volts
Switching Minimums
Reverse Recovery Time
trr
IFM = 400A, Tj = 150C
0.5
s
di/dt = -800A/ s, VR = 800V
Reverse Recovery Charge
Qrr
IFM = 400A, Tj = 150C
50
C
di/dt = -800A/ s, VR = 800V
Thermal Maximums
Thermal Resistance, Junction-to-Case
R (J-C)
Per Module
0.08
C/Watt
Thermal Resistance, Case-to-Sink
R (C-S)
Per Module
0.04
C/Watt
4
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
RM400HA-34S
Super Fast Recovery
Single Diode Module
400 Amperes/1700 Volts
di/dt, (AMPERES/
s)
REVERSE RECOVERY VS di/dt
CHARACTERISTICS (TYPICAL)
10
2
10
3
10
4
REVERSE RECOVERY, I
rr
, (AMPERES), Q
rr
, (
C)
10
0
10
2
10
3
REVERSE RECOVERY TIMES, t
rr,
(
s)
10
-1
10
1
10
2
10
1
10
0
FORWARD VOLTAGE DROP,
V
F
, (VOLTS)
FORWARD CURRENT, I
F
, (AMPERES)
FORWARD VOLTAGE DROP
CHARACTERISTICS (TYPICAL)
2.0
1.6
3.2
0.8
10
2
10
3
10
1
1.2
2.4
2.8
T
j
= 25
o
C
REVERSE RECOVERY VS FORWARD CURRENT
CHARACTERISTICS (TYPICAL)
10
1
10
2
10
4
REVERSE RECOVERY, I
rr
, (AMPERES), Q
rr
, (
C)
10
0
10
2
10
3
REVERSE RECOVERY TIMES, t
rr,
(
s)
10
-1
10
1
10
2
t
rr
V
R
= 800V
-di/dt = 800A/
s
10
1
10
3
10
0
I
rr
FORWARD CURRENT, I
F
(AMPERES)
T
j
= 25
o
C
T
j
= 125
o
C
CYCLES AT 60 H
Z
MAXIMUM PEAK SURGE (NON-REPETITIVE)
CURRENT, I
FSM
, (AMPERES)
MAXIMUM ALLOWABLE PEAK SURGE
(NON-REPETITIVE) CURRENT
0
2000
4000
6000
8000
10000
10
0
10
1
10
2
TIME, t, (SECONDS)
TRANSIENT THERMAL IMPEDANCE
CHARACTERISTICS (JUNCTION-TO-CASE)
0
10
-3
0.02
0.04
0.06
0.08
0.10
10
-2
10
-1
10
0
10
1
TRANSIENT
THERMAL
IMPEDANCE
,
Z
th(J-C)
(
t
)
,
(
o
C/WATT)
t
rr
I
rr
Q
rr
V
R
= 800V
I
F
= 400A/
s
T
j
= 25
o
C
T
j
= 125
o
C
Q
rr
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