50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: semi@sanrex.com
DWF(R)70A30/40
DIODE MODULE
DWF R 70A
is a non-isolated diode module designed for 3 phase rectification.
I
F AV
70A, V
RRM
400V
Easy Construction with J oint-Cathode F Type and J oint-Anode R type.
Non-isolated.
Mounting Base as terminals.
High Surge Capability
Applications
Welding Power Supply
3 Phase Rectifier
80 0.2
M5X10
92
20
2
1
1
20
20
2- 6
6
1
4
3
Unit
a
Maximum Ratings
Symbol
Item
Ratings
DWF(R)70A30
300
360
240
DWF(R)70A40
400
480
320
Unit
V
RRM
V
RSM
V
R DC
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Reverse Voltage
D.C. Reverse Voltage
V
V
V
Symbol
I
F AV
I
F RMS
I
FSM
I
2
t
Tj
Tstg
Item
Average Forward Current
R.M.S. Forward Current
Surge Forward Current
I
2
t
Operating J unction Temperature
Storage Temperature
Conditions
Ratings
Unit
A
A
A
A
2
S
Single phase, half wave, 180 conduction, Tc
Single phase, half wave, 180 conduction, Tc
12
cycle, 60Hz, peak value, non-repetitive
Value for one cycle of surge current
119
119
70
110
1400
8100
30 to
30 to
2.7
2.7
170
150
125
Mounting
Torque
Mounting
M5
Terminal
M5
Mass
Recommended Value 1.5-2.5
Recommended Value 1.5-2.5
15-25
15-25
48
48
N m
f
B
g
Electrical Characteristics
Symbol
I
RRM
Repetitive Peak Reverse Current, max.
V
FM
Forward Voltage Drop, max.
Rth j-c
Thermal Impedance, max.
Item
Conditions
at V
DRM
, single phase, half wave, Tj
Forward current 220A, Tj
J unction to case
150
Ratings
12
1.15
0.40
Unit
mA
V
/
W
25
, Inst. measurement
SanRex