DIODE MODULE
DWF(R)70A30/40
DWF R 70A
is a non-isolated diode module designed for 3 phase rectification.
I
F AV
70A, V
RRM
400V
Easy Construction with Joint-Cathode F Type and Joint-Anode R type.
Non-isolated. Mounting Base as terminals.
High Surge Capability
Applications
Welding Power Supply
3 Phase Rectifier
Unit
a
Maximum Ratings
Symbol
V
RRM
V
RSM
V
R
DC
Item
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Reverse Voltage
D.C. Reverse Voltage
Item
Average Forward Current
R.M.S. Forward Current
Surge Forward Current
I
2
t
Operating Junction Temperature
Storage Temperature
Mounting
Torque
Mass
Mounting M5
Terminal M5
Ratings
DWF(R)70A30
300
360
240
Conditions
Single phase, half wave, 180 conduction, Tc 119
Single phase, half wave, 180 conduction, Tc 119
1
DWF(R)70A40
400
480
320
Ratings
70
110
1400
8100
30
30
150
125
Unit
V
V
V
Unit
A
A
A
A
2
S
Symbol
I
F
I
F
AV
RMS
I
FSM
I
2
t
Tj
Tstg
60Hz, peak value, non-repetitive
Value for one cycle of surge current
2
cycle,
Recommended Value 1.5 2.5 15 25
Recommended Value 1.5 2.5 15 25
2.7 48
2.7 48
170
N m
f
B
g
Electrical Characteristics
Symbol
I
RRM
V
FM
Rth j-c
Item
Repetitive Peak Reverse Current, max.
Forward Voltage Drop, max.
Thermal Impedance, max.
Conditions
at V
DRM
, single phase, half wave, Tj 150
Forward current 220A, Tj 25 , Inst. measurement
Junction to case
Ratings
12
1.15
0.40
Unit
mA
V
/W
157