MD350C18D4
Applications
Rectifier
Non-controllable rectifiers for AC/AC
converters
V
RRM
800 to 1800V
Line rectifiers for transistorized AC motor
I
FAV
350 A
controllers
Field supply for DC motors
Diode Modules
Applications
Non-controllable rectifiers for AC/AC
converters
Line rectifiers for transistorized AC motor
controllers
Field supply for DC motors
Circuit
Features
Blocking voltage: 800 to 1800V
Heat transfer through aluminum oxide ceramic
isolated metal baseplate
Module Type
TYPE
MD350C08D4
MD350C12D4
MD350C16D4
MD350C18D4
MD350A08D4
MD350A12D4
MD350A16D4
MD350A18D4
MD350K08D4
MD350K12D4
MD350K16D4
MD350K18D4
V
RRM
800V
1200V
1600V
1800V
V
RSM
900V
1300V
1700V
1900V
Maximum Ratings
Symbol
Conditions
Single phase ,half wave 180°conduction Tc=85℃
I
FAV
t=10mS Tvj =45℃
I
FSM
2
t=10mS Tvj =45℃
it
a.c.50HZ;r.m.s.;1min
V
isol
T
vj
T
stg
Mt
Ms
Weight
To terminals(M10)
To heatsink(M6)
Values
350
13000
845000
3000
-40 to 150
-40 to 125
9±15%
5±15%
1509
Units
A
A
A
2
s
V
℃
℃
Nm
Nm
g
Module (Approximately)
Thermal Characteristics
Symbol
Per diode
R
th(j-c)
Module
R
th(c-s)
Electrical Characteristics
Symbol
V
FM
I
RD
Conditions
Values
0.05
0.02
Units
℃/W
℃/W
Conditions
T=25℃ I
F
=1200A
T
vj
=TvjM V
RD
=V
RRM
Values
Min.
－
－
Typ.
－
－
Max.
1.8
20
Units
V
mA
Document Number: S-M0011
Rev.1.0, May.31, 2013
www.apt-semi.com
1
MD350C18D4
Performance Curves
500
W
400
500
A
400
sin.180
300
300
200
200
100
P
FAV
100
I
D
0
0 I
D
100
200
300
A 400
0 Tc
50
100
℃
150
0
Fig1. Power dissipation
0.10
℃/
W
A
Fig2.Forward Current Derating Curve
20000
50HZ
13000
Z
th(j-
C
)
0.05
0
0.001 t 0.01
0
0.1
1
10
S 100
1
10
cycles
100
Fig3. Transient thermal impedance
1200
A
900
typ.
max.
Fig4. Max Non-Repetitive Forward Surge
Current
600
300
I
F
0
0
V
F
0.5
1.0
1.5
V
2.0
25℃
- - -125℃
Fig5. Forward Characteristics
Document Number: S-M0011
Rev.1.0, May.31, 2013
www.apt-semi.com
2
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