RDS8__80XX
GENERAL PURPOSE RECTIFIER DIODE
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724)925-7272
8000 Amperes 2500 Volts
Electrical Characteristics,
Tj=25°C unless otherwise specified
Rating
Characteristic
Symbol
Test Conditions
min
typ
max
Units
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 ) +
I RRM
V FM
V 0
r
V 0
r
A
B
Tj=175°C, V RRM =Rated
Tj=175°C, I FM =4000A
Tj=175°C
15% I FM - π ?I FM
Tj=175°C
π ?I FM - I FSM
Tj=175°C
15%I FM - I FSM
150
300
0.82
0.654
3.82E-05
0.786
3.27E-05
0.218
5.70E-02
ma
V
V
?
V
?
C?(I FM ) + D?(I FM )
?
C
D
3.14E-05
8.51E-05
Reverse Recovery Time
t RR
Tj=25°C, I FM =400A
25
μs
di R /dt = 25 A/μs
Thermal Characteristics
Rating
Characteristic
Symbol
Test Conditions
min
typ
max
Units
Thermal Resistance
Junction to Case
Case to Sink
R Θ jc
R Θ cs
Double side cooled
Double side cooled
0.007
0.001
0.0075
0.0015
°C/Watt
°C/Watt
Thermal Impedance Model
Z Θ jc
Double side cooled
Z Θ jc (t) =
Σ (A( N )?(1-exp(-t/ Tau ( N ))))
where:
N=
1
2
3
4
A(N ) =
T au(N) =
1.426E-04
2.622E-03
9.077E-04
2.313E-02
2.373E-03
3.049E-01
4.080E-03
3.600E+00
Page 3
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