RDS8__10XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
10,000 Amperes 1200 Volts
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.
FEATURES:
Low On-State Voltage
Hermetic Ceramic Package
Excellent Surge and I
2
t Ratings
ORDERING INFORMATION
Select the complete 12 digit Part Number using the table below.
EXAMPLE: RDS81210XXOO is a 1200V 10,000A General Purpose Diode
with a typical reverse recovery time of 25µs.
Voltage Voltage Current Current Reverse
Lead
PART
Rating
Code
Rating
Code Recovery
Code
V
DRM
-V
RRM
I
tavg
t
RR
RDS8
1200V
1000V
800V
600V
12
10
80
60
10000A
10
XX
25µs typical
APPLICATIONS:
DC Power Supplies
Input Rectifiers
Plating Supplies
OO
Revised:
5/01/2009
Page 1
RDS8__10XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
10,000 Amperes 1200 Volts
Absolute Maximum Ratings
Characteristic
Repetitive Peak Reverse Voltage
Non-repetitive Transient Peak Reverse Voltage
Average On-State Current, T
C
=90°C
RMS On-State Current, T
C
=90°C
Peak One Cycle Surge Current, 60Hz, V
R
=V
RRM
Fuse Coordination I
2
t, 60Hz
Peak One Cycle Surge Current, 50Hz, V
R
=0V
Fuse Coordination I
2
t, 50Hz
Operating Temperature
Storage Temperature
Approximate Weight
Symbol
V
RRM
Rating
1200
V
RRM
+ 100
10000
15708
120,000
6.00E+07
111,000
5.13E+07
-40 to+175
-50 to+200
6.5
2.95
Mounting Force
16,000 - 20,000
71.2 - 89.0
Units
Volts
Volts
A
A
A
A
2
s
A
A
2
s
°C
°C
lb
Kg
lbs
Knewtons
V
RSM
I
F(Avg.)
I
F(RMS)
I
FSM
I
2
t
I
FSM
I
2
t
Tj
T
Stg.
Page 2
RDS8__10XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
10,000 Amperes 1200 Volts
Electrical Characteristics,
Tj=25°C unless otherwise specified
Rating
Characteristic
Repetitive Peak Reverse
Leakage Current
Peak On-State Voltage
V
FM
Model, Low Level
VFM = V
O
+
r•
I
FM
V
FM
Model, High Level
VFM = V
O
+
r•
I
FM
V
FM
Model, 4-Term
V
FM
= A + B•Ln(I
FM
) +
C•(I
FM
) + D•(I
FM
)
Reverse Recovery Time
½
Symbol
I
RRM
V
FM
V
0
Test Conditions
Tj=175°C, V
RRM
=Rated
Tj=175°C, I
FM
=4000A
Tj=175°C
15%
I
FM
-
π•I
FM
Tj=175°C
min
typ
150
max
300
0.75
0.642
2.28E-05
0.911
1.20E-05
0.410
0.011
4.00E-06
0.00358
Units
ma
V
V
r
V
0
Ω
V
r
A
B
C
D
π•I
FM
- I
FSM
Tj=175°C
Ω
15%I
FM
- I
FSM
t
RR
Tj=25°C, I
FM
=400A
di
R
/dt = 25 A/µs
25
µs
Thermal Characteristics
Characteristic
Thermal Resistance
Junction to Case
Case to Sink
Thermal Impedance Model
Symbol
Test Conditions
Double side cooled
Double side cooled
Double side cooled
where:
min
Rating
typ
0.007
0.001
max
0.0075
0.0015
Units
°C/Watt
°C/Watt
RΘ
jc
RΘ
cs
ZΘ
jc
ZΘ
jc
(t) =
Σ(A(
N
)•(1-exp(-t/
Tau
(
N
))))
N=
A(N
) =
T
au(N) =
1
1.426E-04
2.622E-03
2
9.077E-04
2.313E-02
3
2.373E-03
3.049E-01
4
4.080E-03
3.600E+00
Page 3
RDS8__10XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
10,000 Amperes 1200 Volts
Maximum On-State Voltage Drop
2.00
Thermal Impedance
(°C/Watt)
MAXIMUM TRANSIENT THERMAL
IMPEDANCE
8.0E-03
7.0E-03
6.0E-03
5.0E-03
4.0E-03
3.0E-03
2.0E-03
1.0E-03
0.0E+00
0.01
1.75
VFM (V)
1.50
1.25
1.00
0.75
0.50
1000
Tj = 175°C
10000
IFM (A)
100000
0.1
1
Time (sec)
10
100
Maximum On-State Power Dissipation
SINE WAVE
16000
Power Dissipation (Watts)
14000
12000
10000
8000
6000
4000
2000
0
0
2000
4000
6000
8000
10000
12000
14000
Average On-State Current (A)
0°
180°
360°
Maximum Allowable Case Temperature
180°
(°C)
200
180
160
140
120
CONDUCTION ANGLE
SINE WAVE
90°
30°
CONDUCTION ANGLE
Case Temperature
100
80
60
0
2000
4000
0°
180°
360°
30°
90°
180°
6000
8000
10000 12000 14000
Average On-State Current (A)
Maximum On-State Power Dissipation
SQUARE WAVE
25000
Power Dissipation (Watts)
20000
15000
60°
10000
CONDUCTION ANGLE
Maximum Allowable Case Temperature
200
(°C)
360°
180
160
140
120
CONDUCTION ANGLE
SQUARE WAVE
120°
Case Temperature
180°
100
80
60
0°
180°
360°
5000
0°
180°
360°
60°
120°
5000
10000
180°
360°
20000
0
0
5000
10000
15000
20000
Average On-State Current (A)
0
15000
Average On-State Current (A)
Page 4