Page 1
R7S2 08
See Below
For
Alternatives
*
*Other lead code
options available
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697·1800 (412) 925·7272 Fast Recovery
Powerex, Europe, S.A. 428 Avenue
r-
MARKING
\
G.
Durand, BP107, 72003 Le Mans, France (43) 41.14.14 Rectifier
800 Amperes Average
2600 Volts
\
CATHODE
BOIA'~I+
Scale
=
2"
:
I!
i
I A
f-.
-----c
I
CASE
NUMBER
NOMINAL
DIMENSIONS
R7S2
__
o8
(Outline Drawing)
Ordering Information:
Select the complete part number you desire from the following table:
Voltage
Type
R7S2
VRRM
(Volts)
Code
400
600
800 08
1000
1200
1400 14
1600
1800 18
2000
2200
2600
':1':
OIA.
OIA.
---'-------------I.
R7S
IF(av)
(A)
04 800
06
10
12
16
20
22
26
i I :
I I
LANODE
STRIKE
DISTANCE' .38
Current
Code
08
==
1
Lo
INCH
19.6104104
MIN.
Recovery
Time
trr
(Ilsec)
Code
5.0
AS
Leads
Case
R7S
Code
00
R7S2
__
08
Fast Recovery Rectifier
800 Amperes Average, 2600 Volts
Features:
o Fast Recovery Times
o Soft Recovery Characteristics
o High Surge Current Ratings
o Special Selection of trr and Orr
Available
o Low Thermal Impedance
o Low Profile Package
Applications:
o Inverters
o
o Choppers
o Transmitters
o Free Wheeling Diode
F-S1
Page 2
Powerex, Inc.,
Powerex, Europe, S.A.
R7S2
__
Fast
Recovery
800 Amperes Average, 2600 Volts
08
200
Hillis
Rectifier
Street,
428
Youngwood,
Avenue
G.
Pennsylvania
Durand, BP107, 72003
Absolute Maximum Ratings
Characteristics
RMS Forward Current
Average Forward Current
One-half Cycle Surge Current
2
t (for Fusing), Times =
1
2
1
Max.
t Package (for Times =
Storage Temperature
Operating Temperature
Mounting Force
B.3
milliseconds
B.3
milliseconds)
Electrical and Thermal Characteristics
Characteristics
Current - Conducting State Maximums
Forward Voltage Drop
Symbol
15697-1800 (412) 925-7272
Le
Mans,
France
(43) 41.14.14
Symbol
IF(rms)
IF(av)
IFSM
2
t
1
2
t
1
T
stg
Tj
Test
Conditions
R7S2
08
--
1250
BOO
9500
376000
6
50 x 10
-40 to +190
-40 to + 150
2000 to 2400
1.65
Units
Amperes
Amperes
Amperes
2
A
sec
A2sec
DC
DC
Ibs
Units
Volts
Voltage - Blocking State Maximums
Repetitive Peak Reverse Voltage (Rated Limit) VRRM
Rev.
Non-rep. Trans. Peak
Reverse Leakage Current, mA peak IRRM
Voltage (Rated Limit) VRSM
Switching
Maximum Reverse Recovery Time
Thermal
Maximum Resistance, Junction to Case Re(j-c)
Maximum Resistance, Case to Sink (Lubricated) Re(c-s)
t
::;
5.0msec
Tj
at max., VRRM = Rated
IFM =1500, tp = 190 Ilsec,
diR/dt = 25A1llsec, T C = 25DC
2600
2BOO
50
5.0
0.035
0.020
Volts
Volts
mA
sec
Il
DC/Watt
DC/Watt
F-52
Page 3
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272
Powerex, Europe, S.A. 428 Avenue
R7S2
__
08
Fast Recovery Rectifier
800
Amperes Average, 2600 Volts
G.
Durand, BP107, 72003 Le Mans, France (43) 41.14.14
1000
~
::..
i
o
!
j
~
0
100
dt
•• = -2-
(
Typical
;::R7S2
Reverse Recovery Wave Form
1.+1b
)
X I
......
£cl
Reverse
__
Recovery
08
---
Charge
-
vs.
-----
Rate
io"""
l...o-'
of Current
~
TJ=l50OC
~""I
",,,,,
TJ
= 25°C
Fall
Typical
20
Reverse
Recovery Time
R7S2~_cJ
~i'o.,
10
1
4
3
2
Typical
R7S2
"
~
"'IIIj~"",
Rate
of Current
Ratio of Current Recovery to
08
vs.
Rate
of Current
Fall
!
""'~
.........
--
"""""
~
""~I-
TJ
= 150°C
~
r--
I"-
~I-
~25OC_
I
10 100 200
Fall,
di
RI
dt,
AI
J.lS
Rate
of Current
TJ
TJ-l50oC:
Fall
25°C
I
"
Rate
10 100 200
of Current
Fall,
di
RI
dt,
AI
J.lS
o
1
Rate
10 100 200
of Current
Fall,
diR/dt, A/J.lS
F-53
Page 4
Powerex, Inc.,
Powerex, Europe, S.A.
R7S2
__
Fast
Recovery
800
Amperes Average, 2600 Volts
08
200
Hillis
Rectifier
Street,
428
Youngwood,
Avenue
G.
Pennsylvania
Durand, BP107, 72003
15697-1800 (412) 925-7272
Le
Mans,
France
(43) 41.14.14
F-S4
Forward Voltage Drop
R7S2
08
4.0
3.0
2.0
1.0
10 100 1000 10,000
vs.
Forward
Current
Forward Current, I FM, Peak Amperes
Pul~
10
~R7S2
.1
~
.01
I".
r
lV"
.00
10
Energy Loss Per
'08
..-~~
L'
..".
..".~
J.'
J..oo"""I
~~
".,q:Fl,
~~~~
L,..oo""i"'
""
./"1
I
Ilil
I
II
100 1000
Pulse Width,
for Sinusoidal Pulses
I
"J.H"T
I I
i
J...rf~~..-
I
~~
~~
~
~
~V!
"""
~.
~~~V!
J;o'l
!
I I I
I I I
J.lSec
I " I
II
".
./"
~
.........-r
I.!o""
I
..-~
1".00
~
..-~
TJ=1500Ctti
I I I
1 UoI
mil
II
10.000
t:
~
"
04
U
°
c-
o;
~
03
en
III
U
g
c:
.g
02
(J
c:
::l
..,
g
III
01
1
.E
~
E
~
f=.
0
0001
~~
~~
f--r-
001
Transient
~~
::::
~
01
Thermal
..
r-
~-
Time.
~=
~=
~=
r==
~
~
~:::
~
~ ~
r--
~
f=
r--
f= r-
~~
r--r-
~~
~I;;;;
t.
Seconds
Calculation of Fast Recovery Diodes
and Allowable Case Temperature
1.
Conduction Losses
av(cond)
=
J/P
P
2.
Reverse Recovery Losses (Approximate)
Pav(SW)
3. Maximum Allowable Case Temperature
C(max)
T
Where:
av(cond)
P
P
av(sw)
J/P
F
V
R
diR/dt = Rate
Trr
1
"S"
F
TC(max)
T
j
Reo-c)
x F
= 1/4 X V
= T
-
j
R
(P
av(cond)
x
diR X Trr2
dt 1 +
x
+ P
av(sw) X Reo-d
(~)2
= Forward Conduction Power
= Reverse Recovery Power
= Energy Loss per Pulse
= Frequency
in
Hertz
= Steady State Reverse Operating Voltage
in
Volts
of Decay of Forward Current
in
Amperes/~sec
= Reverse Recovery Time
= Ratio of Recovery di/dt (
= Operating Frequency
in
= Maximum Allowable Case Temperature
= Maximum Operating Junction Temperature
in
cC.
=
DC
Junction
in
cC/Watt.
to
Case Thermal Impedance
Impedance Vs. Time
..
~='"'
~:::~
~=
~
::;~
~
=
=-
~~
f-
......
~
~
r-
~~
~,..
..
lis
Loss
Loss
in
Joules
in
Microseconds
diF/dt
diR/dt
Hertz
:::~
~
;::~
r=
;::
r=
-
-
;::~
r-
r=
r--f-
r--I-
r=~
r--f-
~I;;;;
..
X F X
lxl0-
in
Watts
in
Watts
)
in
10
6
cC.
Page 5
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
Code Tables
Average Current Rating for
'R' and
'T' type devices.
TYPE
CODE
Reverse recovery times for
'R' type devices.
TIME,
(!lsec)
CODE
Blocking voltage ratings for
'A' and
'C' type devices.
VOLTAGE
CODE
R4,T5
R5,R6
R7,R9,RA,RB
T6,
T7,
T8,
T9
TA,TB
Turn-off Times for
'T' type devices.
TIME,
(psec)
Phase
Cont.
8
10
15
20
25
30
35
40
50
60
70
80
100
125
150
175
200
250
If(av/
If(av/
If(av)
1O
1OO
COOE
0
9
8
7
6
B
5
L
4
3
2
C
1
K
M
N
P
a
R
Std.
Rec.
5.0
4.0
3.0
2.5
2.0
1.5
1.25
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
XX
AS
BS
CS
OS
ES
FS
GS
HS
JS
KS
LS
MS
PS
as
RS
Maximum gate current to fire for
'T' type devices.
Igt,
(rnA)
70
75
80
100
120
150
180
200
250
300
500
NA
CODE
7
K
6
5
F
4
G
3
H
2
1.
X
50
100
150
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
F
A
G
B
C
0
E
M
S
N
T
P
PA
PB
PC
PO
PE
PM
PS
PN
PT
L
LA
LB
LC
LD
LE
LM
LS
LN
LT
CP
CA
CB
CC
CD
CE
eM
CS
CN
CT
DP
DA
DB
DC
DO
DE
OM
NOTE:
The
ratings
parameters as
in
defined
this
selector guide are
in
the
databooks
in
for
which
the
most
part based
specifications
on
the conditions
for
these devices
were
and
originally
published.
87
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