RBK8_ _25XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com
2500 Amperes 6500 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 I2t Ratings
APPLICATIONS:
DC Power Supplies
Input Rectifiers
Plating Supplies
ORDERING INFORMATION
Select the complete 12 digit Part Number using the table below.
EXAMPLE: RBK86525XXOO is a 6500V-2500A General Purpose Diode
with a typical reverse recovery time of 35µs.
Voltage Voltage Current Current Reverse
Lead
PART
Rating
Code
Rating
Code Recovery
Code
Itavg
tRR
VDRM-VRRM
RBK8
6500
6000
5600
65
60
56
2500
25
XX
OO
35µs typical
Revised:
Page 1
6/12/2008
RBK8_ _25XX
GENERAL PURPOSE RECTIFIER DIODE
2500 Amperes 6500 Volts
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com
Absolute Maximum Ratings
Characteristic
Symbol
Rating
Units
Repetitive Peak Reverse Voltage
VRRM
6500
Volts
Average On-State Current, TC=85°C
IF(Avg.)
2500
A
RMS On-State Current, TC=85°C
IF(RMS)
3927
A
Average On-State Current, TC=55°C
IF(Avg.)
3200
A
RMS On-State Current, TC=55°C
IF(RMS)
5027
A
Peak One Cycle Surge Current, 60Hz, VR=0.6*VRRM
IFSM
50,000
A
Fuse Coordination I2t, 60Hz
I2t
1.04E+07
IFSM
61,000
2
It
1.86E+07
A2s
Tj
-40 to+150
°C
TStg.
-50 to+200
°C
2.5
lb
1.13
Kg
6,000 - 10,000
lbs
Peak One Cycle Surge Current, 50Hz, VR=0V
2
Fuse Coordination I t, 50Hz
Operating Temperature
Storage Temperature
Approximate Weight
Mounting Force
26.6 - 44.4
Information presented is based upon limited testing or 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
A2s
A
Knewtons
RBK8_ _25XX
GENERAL PURPOSE RECTIFIER DIODE
2500 Amperes 6500 Volts
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com
Electrical Characteristics,
Tj=25°C unless otherwise specified
Rating
Characteristic
Repetitive Peak Reverse
Leakage Current
Symbol
Test Conditions
min
typ
max
Units
IRRM
Tj=150°C, VRRM=Rated
Peak On-State Voltage
VFM
VFM Model, Low Level
VFM = VO + r•IFM
V0
VFM Model, High Level
VFM = VO + r•IFM
V0
VFM Model, 4-Term
A
Tj=150°C
0.509
B
15%IFM - IFSM
0.0019
VFM= A + B•Ln(IFM) +
½
C•(IFM) + D•(IFM)
Reverse Recovery Time
r
r
100
150
ma
Tj=25°C, IFM=3000A
1.55
V
Tj=150°C
15% IFM - π•IFM
0.79
V
0.238
mΩ
Tj=150°C
1.47
V
0.151
mΩ
π•IFM - IFSM
C
1.100E-04
D
0.01289
tRR
Tj=25°C, IFM=2000A
25
µs
diR/dt = 25 A/µs
Thermal Characteristics
Characteristic
Thermal Resistance
Test Conditions
min
Rating
typ
max
Units
Junction to Case
RΘjc
Double side cooled
0.010
0.0115
°C/Watt
Case to Sink
RΘcs
Double side cooled
0.0015
0.002
°C/Watt
ZΘjc
Double side cooled
2
3
Thermal Impedance Model
ZΘjc(t) =
Symbol
Σ(A(N)•(1-exp(-t/Tau(N))))
N=
where:
A(N) =
Tau(N) =
Page 3
1
4
1.02E-05
8.79E-04
4.15E-03
6.43E-03
5.86E-04
1.41E-02
1.81E-01
1.21E+00
RBK8_ _25XX
GENERAL PURPOSE RECTIFIER DIODE
2500 Amperes 6500 Volts
Powerex, Inc., 173 Pavilion Ln, Youngwood, PA 15697-1800 (724)925-7272 www.pwrx.com
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
MAXIMUM TRANSIENT THERMAL
IMPEDANCE
1.4E-02
Tj = 150°C
100
1000
1.2E-02
Thermal Impedance (°C/Watt)
VFM (V)
Maximum On-State Voltage Drop
10000
IFM (A)
1.0E-02
8.0E-03
6.0E-03
4.0E-03
2.0E-03
0.0E+00
0.01
0.1
Maximum On-State Power Dissipation
(°C)
90°
5000
30°
3000
2000
CONDUCTION ANGLE
1000
0°
180°
SINE WAVE
160
180°
Case Temperature
Power Dissipation (W
Watts)
6000
360°
150
140
130
120
110
30°
100
90°
CONDUCTION ANGLE
90
180°
80
0°
70
180°
360°
60
0
0
500
1000
1500
2000
2500
0
3000
500
1000
1500
2000
2500
3000
Average On-State Current (A)
Average On-State Current (A)
Maximum On-State Power Dissipation
Maximum Allowable Case Temperature
SQUARE WAVE
SQUARE WAVE
12000
(°C)
160
10000
8000
360°
180°
6000
60°
Case Temperature
Power Dissipation (Watts)
10
Maximum Allowable Case Temperature
SINE WAVE
4000
1
Time (sec)
120°
4000
CONDUCTION ANGLE
2000
0°
180°
360°
150
140
130
120
110
100
60°
CONDUCTION ANGLE
90
120°
80
0°
70
180°
180°
360°
360°
60
0
0
1000
2000
3000
0
4000
1000
2000
3000
Average On-State Current (A)
Average On-State Current (A)
1
Page 4
4000
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