Preliminary
QRS1450001
Powerex, Inc., 200 Hillis St., Youngwood 15697 (724) 925-7272
Fast Recovery Diode Module
500 Amps/1400 Volts
Page
1
5/7/2001
Welding Power Supplies
Description:
Powerex Single Fast Recovery Diode
Module features fast switching is
specially designed for customer
applications. The modules are isolated
for easy mounting with other
components on a common heatsink.
Features:
Fast Recovery Time
Isolated Mounting
Metal Baseplate
Low Thermal Impedance
3000 V isolating voltage
Applications:
Switching Power Supplies
Inverters
Choppers
Welding Power Supplies
Free Wheeling Diode
High Frequency Rectifiers
Dim Inches
Millimeters
A 4.21 107.0
B
3.661
0.01 93.0
0.25
C 2.44
62.0
D
1.89
0.01 48.0
0.25
E
1.42 Max.
36.0 Max.
G 1.18
30.0
H 1.14
29.0
K 0.94
24.0
Dim Inches
Millimeters
L 0.93
23.5
N 0.69
17.5
P 0.63
16.0
R 0.43
11.0
U 0.12
3.0
V 0.26
Dia. 6.5
Dia.
W M6
Metric
M6
Preliminary
QRS1450001
Powerex, Inc., 200 Hillis St., Youngwood 15697 (724) 925-7272
Fast Recovery Diode Module
500 Amps/1400 Volts
Page
2
5/7/2001
Absolute Maximum Ratings, T
J
=25
C unless otherwise specified
Characteristics Conditions
Symbol
QRS1450001
Units
Repetitive Peak Reverse Blocking Voltage
-
V
RRM
1400 Volts
Non-Repetitive Peak Reverse Blocking Voltage
-
V
RSM
V
RRM
+ 100
Volts
Average Forward Current
180
Conduction, Tc=25
C
I
F(AV)
500 Amperes
Peak Half Cycle Non-Repetitive Surge Current
t = 8.3mS, 100%V
RRM
Reapplied
I
FSM
3330 Amperes
I
2
t for Fusing for One Cycle
t = 8.3mS, 100%V
RRM
Reapplied
I
2
t 46200 A
2
sec
Operating Junction Temperature
-
T
J
-40 to 150
C
Storage Temperature
-
T
STG
-40 to 125
C
Maximum Mounting Torque, M6 Mounting Screw
-
-
26
In.-lb.
Maximum Terminal Torque, M6 Terminal Screw
-
-
26
In.-lb.
Module Weight (Typical)
-
-
400
Grams
V Isolation
60 Hz, circuit to base, all terminals
shorted, t = 1 sec
V
RMS
3000 Volts
Electrical Characteristics, T
J
=25
C unless otherwise specified
Characteristics Symbol
Test
Conditions
Min.
Typ.
Max
Units
Peak Reverse Leakage Current
I
RRM
Rated
V
RRM
-
-
4
mA
Peak On-State Voltage
V
FM
I
F
=500A -
3.1
3.8
Volts
Reverse Recovery Time
trr
I
F
= 500A, di/dt =
-
1000A/
s
- -
300
ns
Reverse Recovery Charge
Qrr
I
F
= 500A, di/dt =
-
1000A/
s
- 5 -
C
Thermal Characteristics, T
J
=25
C unless otherwise specified
Characteristics Symbol
Min.
Typ.
Max.
Units
Thermal Resistance, Junction to Case
R
JC
Per Diode
-
-
0.075
C/Watt
Thermal Resistance, Case to Sink
Lubricated
R
CS
Per Module
-
-
0.04
C/Watt
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