DRD420D
DRD420D
Rectifier Diode
Target Information
DS5517-1.0 February 2002
FEATURES
s
Double Side Cooling
s
High Surge Capability
KEY PARAMETERS
V
RRM
I
F(AV)
I
FSM
1800V
4200A
70000A
APPLICATIONS
s
Rectification
s
Freewheel Diode
s
DC Motor Control
s
Power Supplies
s
Welding
s
Battery Chargers
VOLTAGE RATINGS
Type Number
Repetitive Peak
Reverse Voltage
V
RRM
V
1800
1600
1400
1200
Conditions
DRD420D18
DRD420D16
DRD420D14
DRD420D12
V
RSM
= V
RRM
+ 100V
Outline type code: DO200AD
See Package Details for further information.
Fig. 1 Package outline
Lower voltage grades available.
ORDERING INFORMATION
When ordering, select the required part number shown in the
Voltage Ratings selection table, e.g.:
DRD420D18
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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DRD420D
CURRENT RATINGS
T
case
= 75
o
C unless otherwise stated
Symbol
Double Side Cooled
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
Half wave resistive load
-
-
5150
8090
7450
A
A
A
Parameter
Conditions
Max.
Units
Single Side Cooled (Anode side)
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
Half wave resistive load
-
-
3760
5910
4820
A
A
A
T
case
= 100
o
C unless otherwise stated
Symbol
Double Side Cooled
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
Half wave resistive load, T
case
= 100
o
C
T
case
= 100
o
C
T
case
= 100
o
C
4200
6600
5980
A
A
A
Parameter
Conditions
Max.
Units
Single Side Cooled (Anode side)
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
Half wave resistive load, T
case
= 100
o
C
T
case
= 100
o
C
T
case
= 100
o
C
3000
4780
3800
A
A
A
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DRD420D
SURGE RATINGS
Symbol
I
FSM
I
2
t
I
FSM
I
2
t
Parameter
Surge (non-repetitive) forward current
I
2
t for fusing
Surge (non-repetitive) forward current
I
2
t for fusing
Conditions
10ms half sine; T
case
= 175
o
C
V
R
= 50% V
RRM
- 1/4 sine
10ms half sine; T
case
= 175
o
C
V
R
= 0
Max.
56
15.68 x 10
6
70
24.5 x 10
6
Units
kA
A
2
s
kA
A
2
s
THERMAL AND MECHANICAL DATA
Symbol
Parameter
Conditions
Double side cooled
R
th(j-c)
Thermal resistance - junction to case
Single side cooled
Cathode dc
Clamping force 45.0kN
with mounting compound
Forward (conducting)
T
vj
Virtual junction temperature
Reverse (blocking)
T
stg
-
Storage temperature range
Clamping force
-
-55
40.0
175
200
48.0
o
Min.
dc
Anode dc
-
-
-
-
-
-
Max.
0.013
0.025
0.027
0.003
0.006
185
Units
o
C/W
o
C/W
C/W
C/W
C/W
o
o
Double side
Single side
o
R
th(c-h)
Thermal resistance - case to heatsink
o
C
C
C
o
kN
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DRD420D
CHARACTERISTICS
Symbol
I
RRM
Q
S
I
RR
t
rr
V
TO
r
T
Parameter
Peak reverse current
Total stored charge
I
F
= 1000A, dI
RR
/dt = 5A/µs
Peak recovery current
T
case
= 175˚C, V
R
= 100V
Reverse recovery time
Threshold voltage
Slope resistance
At T
vj
= 175˚C
At T
vj
= 175˚C
50
-
-
-
0.75
0.0494
155
-
A
µs
V
mΩ
Conditions
At V
RRM
, T
case
= 175
o
C
Typ.
-
2500
Max.
100
-
Units
mA
µC
CURVES
10000
T
j
= 125˚C
9000
7000
6000
8000
Instantaneous forward current, I
F
- (A)
6000
5000
4000
3000
2000
1000
0
0.7
Mean power dissipation - (W)
7000
5000
4000
3000
2000
dc
1/2 wave
3 phase
6 phase
1000
2000
3000
4000
5000
Mean forward current, I
F(AV)
- (A)
6000
7000
1000
0.8
0.9
1.0
1.1
1.2
Instantaneous forward voltage, V
F
- (A)
1.3
0
0
Fig.2 Maximum (limit) forward characteristics
Fig.3 Dissipation curves
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DRD420D
80
160
40
70
140
35
Peak half sine wave on-state current - (kA)
Peak half sine forward current - (kA)
60
120
30
I
2
t value - (A
2
s x 10
6
)
50
100
25
40
80
20
30
60
15
20
40
I
FSM
(V
R
= 0)
I
FSM
(V
R
= 50% V
RRM
)
I
2
t (V
R
= 0)
I
2
t (V
R
= 50% V
RRM
)
0
10
10
Surge current (V
R
= 0)
Surge current (V
R
= 50% V
RRM
)
10
20
30
40
Number of cycles @ 50Hz
50
60
20
5
0
0
0
1
2
3
4
5
6
7
8
9
Pulse length, half sine wave - (ms)
10
Fig.4 Series multi-cycle surge current
Fig.5 Sub-cycle surge curves
0.1
Conduction
Effective thermal resistance
Junction to case ˚C/W
Double side
0.0130
0.0141
0.0170
0.0200
Anode side
0.0250
0.0261
0.0290
0.0320
d.c.
Halfwave
3 phase 120˚
6 phase 60˚
Anode side cooled
Thermal impedance - (˚C/W)
0.01
Double side cooled
0.001
0.0001
0.001
0.01
0.1
1
Time - (s)
10
100
Fig.5 Maximum (limit) transient thermal impedance -
junction to case
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