DYNEX DNB6538, DNB6536, DNB6545, DNB6544, DNB6542 Datasheet
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DNB65
DNB65
Recifier Diode
Replaces January 2000 version, DS4175-2.0 DS4175-3.0 August 2001
FEATURES
■ Double Side Cooling
■ High Surge Capability
APPLICATIONS
■ Rectification
■ Freewheel Diode
■ DC Motor Control
■ Power Supplies
■ Welding
■ Battery Chargers
VOLTAGE RATINGS
Type Number Repetitive Peak
Reverse Voltage
V
RRM
V
DNB65 45
DNB65 44
DNB65 42
DNB65 40
DNB65 38
DNB65 36
Lower voltage grades available.
4500
4400
4200
4000
3800
3600
Conditions
= V
V
RSM
RRM
+ 100V
KEY PARAMETERS
V
I
F(AV)
I
FSM
RRM
4500V
2590A
31000A
Outline type code: DO200AD
See Package Details for further information.
Fig. 1 Package outline
ORDERING INFORMATION
When ordering, select the required part number shown in the
Voltage Ratings selection table, e.g.:
DNB65 40
Note: Please use the complete part number when ordering
and quote this number in any future correspondance relating
to your order.
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DNB65
CURRENT RATINGS
T
= 75oC unless otherwise stated
case
Symbol Parameter Conditions
Double Side Cooled
I
F(AV)
I
F(RMS)
I
Mean forward current
RMS value
F
Continuous (direct) forward current
Half wave resistive load 2590 A
Single Side Cooled (Anode side)
I
F(AV)
I
F(RMS)
I
F
T
= 100oC unless otherwise stated
case
Mean forward current
RMS value
Continuous (direct) forward current
Half wave resistive load 1940 A
Symbol Parameter Conditions
Double Side Cooled
I
F(AV)
Mean forward current
Half wave resistive load, T
UnitsMax.
- 4068 A
- 3727 A
- 3047 A
- 2656 A
UnitsMax.
= 100oC 2000 A
case
I
F(RMS)
I
F
RMS value
Continuous (direct) forward current
Single Side Cooled (Anode side)
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
T
= 100oC 3140 A
case
T
= 100oC 2800 A
case
Half wave resistive load, T
T
= 100oC 2017 A
case
T
= 100oC 1715 A
case
= 100oC 1284 A
case
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SURGE RATINGS
DNB65
Symbol
I
FSM
2
tI
I
I
FSM
I2t
Surge (non-repetitive) forward current
2
t for fusing
Surge (non-repetitive) forward current
2
I
t for fusing 4.8 x 10
Parameter
THERMAL AND MECHANICAL DATA
Symbol
R
th(j-c)
R
th(c-h)
Thermal resistance - junction to case
Thermal resistance - case to heatsink
Parameter
Conditions
10ms half sine; T
VR = 50% V
10ms half sine; T
VR = 0
Conditions Min. Max. Units
Double side cooled
Single side cooled
Clamping force 45.0kN
with mounting compound
case
- 1/4 sine
RRM
case
= 150oC
= 150oC
dc
Cathode dc
Double side
Single side
Max. Units
24.8 kA
3.075 x 10
6A2
31.0 kA
6
A2s
- 0.013oC/W
o
C/W- 0.025Anode dc
o
- 0.027
0.003
-
C/W
o
C/W
- 0.006oC/W
s
Forward (conducting) -
T
vj
Virtual junction temperature
Reverse (blocking)
T
stg
-
Storage temperature range
Clamping force
–55 175
40.0 48.0 kN
150
-
150
o
C
o
C
o
C
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