RBS8__45XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex , Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com 4500 Amperes 3200 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
FEATURES:
Low On-State Voltage
Hermetic Ceramic Package
Excellent Surge and I
2
t Ratings
APPLICATIONS:
DC Power Supplies
ORDERING INFORMATION
Select the complete 10 digit Part Number using the table below.
EXAMPLE: RBS83245XX is a 3200V-4500A General Purpose Diode
with a typical reverse recovery time of 25µs.
PART
Voltage
Rating
Voltage
Code
Current
Rating
Current
Code
Reverse
Recovery
Lead
Code
V
DRM
-V
RRM
I
tavg
t
RR
RBS8 3200V 32 4500A 45 XX
3000V 30
2600V 26 25µs typical
2400V 24
2200V 22
Revised: 6/8/2009
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.
Page 1
RBS8__45XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex , Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com 4500 Amperes 3200 Volts
Absolute Maximum Ratings
Characteristic Symbol Rating Units
Repetitive Peak Reverse Voltage V
RRM
3200 Volts
Non-repetitive Transient Peak Reverse Voltage
VRSM
V
RRM
+ 100 Volts
Average On-State Current, T
C
=94°C
IF(Avg.)
4500 A
RMS On-State Current, T
C
=94°C
IF(RMS)
7069 A
Peak One Cycle Surge Current, 60Hz, V
R
=V
RRM
I
FSM
67,500 A
Fuse Coordination I
2
t, 60Hz I
2
t1.90E+07 A
2
s
Peak One Cycle Surge Current, 50Hz, V
R
=0V I
FSM
62,438 A
Fuse Coordination I
2
t, 50Hz I
2
t1.95E+07 A
2
s
Peak 3 Cycle Surge Current, 60Hz, V
R
=0V I
FSM
76,950 A
Peak 10 Cycle Surge Current, 60Hz, V
R
=0V I
FSM
61,763 A
Operating Temperature Tj -40 to+175 °C
Storage Temperature T
Stg.
-50 to+200 °C
AitWiht
25
lb
A
pproximate Weight 2.5 lb
1.13 Kg
Mounting Force 6,000 - 10,000 lbs
26.6 - 44.4 Knewtons
Information presented is based upon manufacturers testing and projected
capabilities. This information is subject to change without notice. The
manufacturer makes no claim as to suitability for use, reliability, capability or
future availability of this product.
Page 2
RBS8__45XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex , Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com 4500 Amperes 3200 Volts
Electrical Characteristics,
Tj=25°C unless otherwise specified
Rating
Characteristic Symbol Test Conditions min typ max Units
R
epe
titi
ve
P
ea
k
R
everse
Leakage Current I
RRM
Tj=175°C, V
RRM
=Rated 125 ma
Peak On-State Voltage V
FM
Tj=175°C, I
FM
=2000
A
1.00 V
V
FM
Model, Low Level V
0
Tj=175°C 0.786 V
VFM = V
O
+
r•
I
FM r
15%
IFM - π•IFM
9.97E-05
Ω
V
FM
Model, High Level V
0
Tj=175°C 0.972 V
VFM = V
O
+
r•
I
FM r π•IFM - IFSM
8.63E-05
Ω
V
FM
Model, 4-Term A Tj=175°C 0.510
V
FM
= A + B•Ln(I
FM
) + B
15%IFM - IFSM
3.10E-02
C•(I
FM
) + D•(I
FM
)
½
C 8.00E-05
D 2.00E-03
Reverse Recovery Time
tRR
Tj=25°C, I
FM
=1500A 25 µs
di
R
/dt = 25 A/µs
Thermal Characteristics
Rating
Characteristic Symbol Test Conditions min typ max Units
Thermal Resistance
Junction to Case
RΘjc
Double side cooled 0.0085 0.0095 °C/Watt
Case to Sink
RΘcs
Double side cooled 0.0015 0.002 °C/Watt
Thermal Impedance Model
ZΘjc
Double side cooled
ZΘ
jc
(t) = Σ(A(N)•(1-exp(-t/Tau(N))))
where:
N =
123 4
A(N) =
5.22E-05 1.19E-03 2.91E-03 5.35E-03
Tau(N) =
2.65E-06 3.43E-02 2.74E-01 2.03E+00
Page 3
RBS8__45XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex , Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com 4500 Amperes 3200 Volts
0.0E+00
1.0E-03
2.0E-03
3.0E-03
4.0E-03
5.0E-03
6.0E-03
7.0E-03
8.0E-03
9.0E-03
1.0E-02
0.01 0.1 1 10
Thermal Impedance (°C/Watt)
Time (sec)
MA XIMUM TR A NSIENT THERMA L
IMPEDANCE
0.00
0.50
1.00
1.50
2.00
2.50
3.00
100 1000 10000 100000
VFM (V)
IFM (A)
Maximum On-State Voltage Drop
Tj = 200°C
Maximum On-S tate Power Dissipa tion
Sinusoidal
Maximum A llowable Case Temperature
Sinusoidal Waveform
0.0E+00
1.0E-03
2.0E-03
3.0E-03
4.0E-03
5.0E-03
6.0E-03
7.0E-03
8.0E-03
9.0E-03
1.0E-02
0.01 0.1 1 10
Thermal Impedance (°C/Watt)
Time (sec)
MA XIMUM TR A NSIENT THERMA L
IMPEDANCE
0.00
0.50
1.00
1.50
2.00
2.50
3.00
100 1000 10000 100000
VFM (V)
IFM (A)
Maximum On-State Voltage Drop
Tj = 200°C
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
0 2000 4000 6000
Pavg (Watts)
Iavg (A)
Maximum On-S tate Power Dissipa tion
Sinusoidal
60° 90°
120° 180°
0° 180° 360°
CONDUCTION ANGLE
80
100
120
140
160
180
0 1000 2000 3000 4000 5000
Tc (°C)
Iavg (A)
Maximum A llowable Case Temperature
Sinusoidal Waveform
60°
90° 120° 180°
0° 180° 360°
CONDUCTION ANGLE
0
2000
4000
6000
8000
10000
12000
0 2000 4000 6000 8000
Pavg (Watts)
Iavg (A)
Maximum On-S tate Power Dissipa tion
Square Waveform
60°
90° 120° 180°
0° 180° 360°
CONDUCTION ANGLE
360°
80
100
120
140
160
180
0 2000 4000 6000 8000
Tc (°C)
Iavg (A)
Maximum Allowable Case Tem perature
Square Waveform
60°
90° 120°
180°
0° 180° 360°
CONDUCTION ANGLE
360°
Page 4
