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RDK8__40XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 4000 Amperes 6000 Volts
F DIA. TYP.
G DEEP TYP.
MARKING
CATHOD
E
Powerex General Purpose Rectifier Diodes are
designed with high locking voltage capability and
low forward voltage drop to minimize conduction
losses. These are packaged in hermetic,
ceramic Pow-R-Disc packages which can be
mounted using commercially available clamps
and heatsinks or fully assembled to a variety of
air or water cooled heat exchangers.
D
E
O
A
N
CASE NUMBER RDK
NOMINAL DIMENSIONS
INCHES
MM
ABCD E FGSYM.
3.91
99.3
5.66
144
ALL DIMENSIONS ARE REFERENCE
STRIKE DISTANCE = 1.24 INCH / 31.5 MM MIN.
CREEPAGE DISTANCE = 1.64 INCH / 41.6 MM MIN.
5.18
132
.030
0.76
1.400/1.470
35.5/37.4
.140
3.56
.070
1.78
FEATURES:
Low On-State Voltage
Hermetic Ceramic Package
Excellent Surge and I2t Ratings
APPLICATIONS:
DC Power Supplies
ORDERING INFORMATION Input Rectifiers
Plating Supplies
Select the complete 12 digit Part Number using the table below.
EXAMPLE: RDK86040XXOO is a 6000V-4000A General Purpose Diode
with a typical reverse recovery time of 25µs.
PART
Voltage
Rating
V
DRM-VRRM
Voltage
Code
Current
Rating
I
tavg
Current
Code
Reverse
Recovery
t
RR
Lead
Code
RDS8 6000V 60 4000A 40 XX OO
5600V 56
5200V 52 25µs typical
4800V 48
Page 1
Revised: 4/7/2003
RDK8__40XX
c
C
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 4000 Amperes 6000 Volts
Absolute Maximum Ratings
Characteristi
Repetitive Peak Reverse Voltage
Non-repetitive Transient Peak Reverse Voltage
Average On-State Current, T
RMS On - State Current,
Peak One Cycle Surge Current, 60Hz, VR=V
T
C
68°C
68°C
RRM
Fuse Coordination I2t, 60Hz I2t
Peak One Cycle Surge Current, 50Hz, V
=0V I
R
Fuse Coordination I2t, 50Hz I2t
Symbol Rating Units
V
RRM
V
RSM
I
F(Avg.)
I
F(RMS)
I
FSM
FSM
6000 Volts
V
+ 100
RRM
4000 A
6283 A
60,000 A
1.50E+07
55,500 A
1.28E+07
Volts
A2s
A2s
Operating Temperature Tj -40 to+150 °C
Storage Temperature
T
Stg.
-50 to+190 °C
Approximate Weight 6.5 lb
2.95 Kg
Mounting Force 16,000 - 20,000 lbs
71.2 - 89.0 Knewtons
Page 2
RDK8__40XX
R
titi
c
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 4000 Amperes 6000 Volts
Electrical Characteristics, Tj=25°C unless otherwise specified
Rating
Characteristic Symbol Test Conditions min typ max Units
epe
ve Peak Reverse
Leakage Current
Peak On-State Voltage
VFM Model, Low Level V
VFM = VO + r•I
FM
I
RRM
V
Tj=150°C, V
Tj=150°C, IFM=
FM
Tj=150°C 1.13 V
0
15% I
r
FM
- π•I
RRM
FM
=Rated
150 300 ma
4000 A 1.65 V
1.17E-04 Ω
VFM Model, High Level V
VFM Model,
VFM = VO + r•I
4-Term A Tj=150°C 0.220
FM
VFM= A + B•Ln(IFM) +
C•(IFM) + D•(IFM)
½
Reverse Recovery Time
Thermal Characteristics
Characteristi
Thermal Resistance
Junction to Case
Case to Sink
Thermal Impedance Model
Symbol Test Conditions min typ max Units
RΘ
RΘ
ZΘ
Tj=150°C 1.44 V
0
r
B
π•I
15%IFM - I
FM
- I
FSM
FSM
9.12E-05 Ω
1.25E-01
C 8.50E-05
D 8.00E-04
t
Tj=25°C, IFM=400A
RR
25 µs
diR/dt = 25 A/µs
Rating
Double side cooled 0.0075 0.0090 °C/Watt
jc
Double side cooled 0.001 0.0015 °C/Watt
cs
Double side cooled
jc
ZΘjc(t) =
Σ(A(N)•(1-exp(-t/Tau(N))))
where: N = 12 3 4
A(N) = 1.426E-04 9.077E-04 2.600E-03 5.350E-03
Tau(N) = 2.622E-03 2.313E-02 3.049E-01 3.396E+00
Page 3
RDK8__40XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272 4000 Amperes 6000 Volts
Maximum On-State Voltage Drop
4.00
3.50
3.00
2.50
VFM (V)
2.00
1.50
1.00
1000 10000 100000
Tj = 150°C
IFM (A)
Maximum On-State Power Dissipation
Sinusoidal
10000
8000
6000
4000
Pavg (Watts)
2000
60°
0
0 1000 2000 3000 4000 5000
Iavg (A)
90°
120° 180°
CONDUCTION ANGLE
0° 180° 360°
1.0E-02
8.0E-03
6.0E-03
4.0E-03
(°C/Watt)
2.0E-03
Thermal Impedance
0.0E+00
160
140
120
100
Tc (°C)
MAXIMUM TRANSIENT THERMAL
IMPEDANCE
0.01 0.1 1 10 100
Time (sec)
Maximum Allowable Case Temperature
Sinusoidal Waveform
CONDUCTION ANGLE
0° 180° 360°
60°
80
60
0 1000 2000 3000 4000 5000
90°
120° 180°
Iavg (A)
14000
12000
10000
Pavg (Watts)
Maximum On-State Power Dissipation
Square Waveform
180°
8000
6000
60°
4000
2000
0
0 2000 4000 6000 8000
120°
90°
Iavg (A)
CONDUCTION ANGLE
0° 180° 360°
360°
Tc (°C)
Page 4
Maximum Allowable Case Temperature
Square Waveform
160
140
CONDUCTION ANGLE
120
0° 180° 360°
100
80
60
60°
90°
120°
180°
0 1000 2000 3000 4000 5000
Iavg (A)
360°
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