MDO 500
High Power
Diode Modules
I
FRMS
= 880 A
I
FAVM
= 560 A
V
RRM
= 1200-2200 V
3
2
V
RSM
V
DSM
V
1300
1500
1700
1900
2100
2300
Symbol
I
FRMS
I
FAVM
I
FSM
V
RRM
V
DRM
V
1200
1400
1600
1800
2000
2200
Type
3
2
MDO 500-12N1
MDO 500-14N1
MDO 500-16N1
MDO 500-18N1
MDO 500-20N1
MDO 500-22N1
Maximum Ratings
880
560
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
t = 10 ms (50 Hz)
t = 8.3 ms (60 Hz)
15000
16000
13000
14400
1125000
1062000
845000
813000
-40...140
140
-40...125
A
A
A
A
A
A
A
2
s
A
2
s
A
2
s
A
2
s
°C
°C
°C
V~
V~
Test Conditions
T
VJ
= T
VJM
T
C
= 85°C; 180° sine
T
VJ
= 45°C
V
R
= 0
T
VJ
= T
VJM
V
R
= 0
Features
International standard package
Direct copper bonded Al
2
O
3
-ceramic
with copper base plate
Planar passivated chips
Isolation voltage 3600 V~
UL registered E 72873
q
q
q
q
q
I
2
t
T
VJ
= 45°C
V
R
= 0
T
VJ
= T
VJM
V
R
= 0
Applications
Supplies for DC power equipment
DC supply for PWM inverter
Field supply for DC motors
Battery DC power supplies
q
q
q
q
T
VJ
T
VJM
T
stg
V
ISOL
M
d
Weight
Symbol
I
RRM
V
F
V
T0
r
T
R
thJC
R
thJK
d
S
d
A
a
50/60 Hz, RMS
I
ISOL
£
1 mA
t = 1 min
t=1s
3000
3600
Advantages
Simple mounting
Improved temperature and power
cycling
Reduced protection circuits
q
q
q
Mounting torque (M6)
Terminal connection torque (M8)
Typical including screws
Test Conditions
T
VJ
= T
VJM
; V
R
= V
RRM
I
F
= 1200 A; T
VJ
= 25°C
4.5-7/40-62 Nm/lb.in.
11-13/97-115 Nm/lb.in.
650
g
Characteristic Values
mA
30
1.3
0.8
0.38
0.072
0.096
21.7
9.6
50
V
V
mW
K/W
K/W
mm
mm
m/s
2
Dimensions in mm (1 mm = 0.0394")
For power-loss calculations only (T
VJ
= T
VJM
)
DC current
DC current
Creeping distance on surface
Creepage distance in air
Maximum allowable acceleration
Data according to IEC 60747 and refer to a single diode unless otherwise stated.
IXYS reserves the right to change limits, test conditions and dimensions
© 2000 IXYS All rights reserved
1-3
MDO 500
14000
10
7
1000
V
R
= 0V
I
TSM
12000
A
10000
8000
It
50 Hz
80 % V
RRM
T
VJ
= 45°C
T
VJ
= 140°C
A
2
s
2
I
FAVM
A
900
800
700
600
DC
180° sin
120°
60°
30°
T
VJ
= 45°C
10
6
6000
T
VJ
= 140°C
500
400
300
200
4000
2000
100
0
0.001
10
5
0.01
0.1
0
1
t
ms
10
0
25
50
75
100
T
C
s
t
1
125 °C 150
Fig. 1 Surge overload current
I
FSM
: Crest value, t: duration
1200
P
tot
W
1000
Fig. 2 I
2
t versus time (1-10 ms)
Fig. 3 Maximum forward current
at case temperature
Fig. 4 Power dissipation versus
forward current and ambient
temperature
R
thKA
K/W
800
0.03
0.07
0.12
0.2
0.3
0.4
0.6
DC
180° sin
120°
60°
30°
600
400
200
0
0
200
400
600
800 A
I
FAVM
0
25
50
75
100
125
°C
T
A
150
3200
W
2800
P
tot
2400
2000
1600
1200
800
400
0
0
300
600
900
1200
A 0
25
50
75
100
°C
125
T
A
150
I
dAVM
Circuit
B2
4xMDO500
R
L
R
thKA
K/W
0.015
0.03
0.04
0.05
0.07
0.01
0.14
Fig. 5 Single phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
R = resistive load
L = inductive load
© 2000 IXYS All rights reserved
2-3
MDO 500
5000
W
4500
P
tot
4000
3500
3000
2500
2000
1500
1000
500
0
0
300
600
900
1200 1500A
I
dAVM
0
25
50
75
100
125 °C 150
T
A
Circuit
B6
6xMDO500
R
thKA
K/W
0.01
0.02
0.03
0.045
0.06
0.08
0.12
Fig. 6 Three phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
0.12
K/W
0.10
Fig. 7 Transient thermal impedance
junction to case
R
thJC
for various conduction angles d:
Z
thJC
0.08
d
DC
180°
120°
60°
30°
R
thJC
(K/W)
0.072
0.0768
0.081
0.092
0.111
0.06
30°
60°
120°
180°
DC
0.04
0.02
Constants for Z
thJC
calculation:
i
R
thi
(K/W)
0.0035
0.0186
0.0432
0.0067
t
i
(s)
0.0054
0.098
0.54
12
1
2
3
4
0.00
10
-3
10
-2
10
-1
10
0
10
1
t
s
10
2
0.14
K/W
0.12
Z
thJK
Fig. 8 Transient thermal impedance
junction to heatsink
R
thJK
for various conduction angles d:
0.10
0.08
0.06
0.04
0.02
0.00
10
-3
30°
60°
120°
180°
DC
d
DC
180°
120°
60°
30°
R
thJK
(K/W)
0.096
0.1
0.105
0.116
0.135
Constants for Z
thJK
calculation:
i
R
thi
(K/W)
0.0035
0.0186
0.0432
0.0067
0.024
t
i
(s)
0.0054
0.098
0.54
12
12
1
2
3
4
5
10
-2
10
-1
10
0
10
1
t
s
10
2
© 2000 IXYS All rights reserved
3-3
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