MDD 255
High Power
Diode Modules
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
MDD 255-12N1
MDD 255-14N1
MDD 255-16N1
MDD 255-18N1
MDD 255-20N1
MDD 255-22N1
Maximum Ratings
450
270
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)
9500
10200
8400
9000
451 000
437 000
353 000
340 000
-40...+150
150
-40...+125
50/60 Hz, RMS
I
ISOL
£
1 mA
t = 1 min
t=1s
3000
3600
A
A
A
A
A
A
As
A
2
s
A
2
s
A
2
s
°C
°C
°C
V~
V~
2
I
FRMS
= 2x 450 A
I
FAVM
= 2x 270 A
V
RRM
= 1200-2200 V
3
2
Type
3
1
2
1
Test Conditions
T
VJ
= T
VJM
T
C
= 100°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
òi
dt
2
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
Q
S
I
RM
d
S
d
A
a
q
q
q
Advantages
Simple mounting
Improved temperature and power
cycling
Reduced protection circuits
Mounting torque (M6)
Terminal connection torque (M8)
Typical including screws
Test Conditions
T
VJ
= T
VJM
; V
R
= V
RRM
I
F
= 600 A; T
VJ
= 25°C
For power-loss calculations only
T
VJ
= T
VJM
per diode; DC current
per module
per diode; DC current
per module
other values
see MCC 255
4.5-7/40-62 Nm/lb.in.
11-13/97-115 Nm/lb.in.
750
g
Characteristic Values
30
mA
1.4
0.8
0.6
0.140
0.07
0.18
0.09
700
260
12.7
9.6
50
V
V
mW
K/W
K/W
K/W
K/W
mC
A
mm
mm
m/s
2
Dimensions in mm (1 mm = 0.0394")
M8x20
T
VJ
= 125°C; I
F
= 400 A; -di/dt = 50 A/ms
Creeping distance on surface
Creepage distance in air
Maximum allowable acceleration
© 2000 IXYS All rights reserved
1-3
749
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
IXYS [ IXYS CORPORATION ]
