MSD75
Glass Passivated Three
Phase Rectifier Bridge
V
RRM
800 to 1800V
I
D
75 Amp
Applications
Circuit
Three phase rectifiers for power supplies
Rectifiers for DC motor field supplies
Battery charger rectifiers
Input rectifiers for variable frequency drives
+
MSD
~
~
~
-
Features
Three phase bridge rectifier
Blocking voltage: 800 to 1800V
Heat transfer through aluminum oxide DCB
ceramic isolated metal baseplate
Glass passivated chip
Module Type
TYPE
MSD75 – 08
MSD75 – 12
MSD75 – 16
MSD75 – 18
V
RRM
800V
1200V
1600V
1800V
V
RSM
900V
1300V
1700V
1900V
Maximum Ratings
Symbol
ID
IFSM
it
Visol
Tvj
Tstg
Mt
Ms
Weight
2
Conditions
Tc=110℃
T=10mS Tvj =45℃
T=10mS Tvj =45℃
a.c.50Hz;r.m.s.;1min
Values
75
750
2800
3000
-40 to 150
-40 to 125
Units
A
A
A
2
s
V
℃
℃
Nm
Nm
g
To terminals(M5)
To heatsink(M5)
Module
5±15%
5±15%
135
Thermal Characteristics
Symbol
Conditions
Rth(j-c)
Rth(c-s)
Per diode
Module
Values
1.1
0.07
Units
℃/W
℃/W
Electrical Characteristics
Symbol
Conditions
VFM
IRD
T=25℃ IFM =150A
Tvj =25℃ VRD=VRRM
Tvj =150℃ VRD=VRRM
Values
1.6
≤0.3
≤5
Units
V
mA
mA
MSD75-Rev 1
Dec, 2009
www.microsemi.com
1/4
MSD75
Performance Curves
150
A
Typ.
170
W
75
125
℃
IF
0
0
VF 0.5
1.0
1.5
2.0 V
25
℃
85
P
vtot
0
0 I
D
40
80 A
Fig1. Forward Characteristics
1.5
℃/
W
Z
th(j-
C
)
1.0
1000
1500
A
Fig2. Power dissipation
50Hz
0.5
500
0
0.001
0.01
0.1
1
10
100 S
0
1
10
cycles 100
Fig3. Transient thermal impedance
100
A
80
Fig4. Max Non-Repetitive Forward Surge
Current
60
40
20
I
D
0
0 Tc
50
100
150 °C
Fig5.Forward Current Derating Curve
MSD75-Rev 1
Dec, 2009
www.microsemi.com
2/4