SanRex DWF70A40, DWF70A30, DWR70A40, DWR70A30 Datasheet

157

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 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 Item

Ratings

DWF(R)70A30 DWF(R)70A40

300 400

360 480

240 320

Unit

VRRM

VRSM

VR DC

Repetitive Peak Reverse Voltage

Non-Repetitive Peak Reverse Voltage

D.C. Reverse Voltage

V

V

V

Symbol Item

Average Forward Current

Conditions

Ratings

Unit

AI

F AV

Single phase, half wave, 180 conduction, Tc 119

70

I

F RMS

I

FSM

R.M.S. Forward Current

Surge Forward Current

Single phase, half wave, 180 conduction, Tc 119

1

2

cycle, 60Hz, peak value, non-repetitive

110

1400

A

A

I

2

t

I2t Value for one cycle of surge current 8100 A2S

Tj

Operating Junction Temperature

30 150

Tstg Storage Temperature

30 125

Mounting
Torque

Mounting

M5

Terminal

M5

Mass

Recommended Value 1.5 2.5 15 25

Recommended Value 1.5 2.5 15 25

2.7 48

2.7 48

N m

f B

g170

Electrical Characteristics

Symbol

IRRM

Item

Repetitive Peak Reverse Current, max.

Conditions

at V

DRM

, single phase, half wave, Tj 150

Ratings

12

1.15

0.40

Unit

mA

VFM Forward Voltage Drop, max.

Forward current 220A, Tj 25 , Inst. measurement

V

Rth j-c

Thermal Impedance, max. Junction to case

/W

158

DWF(R)70A30/40