
TECHNICAL
PUBLICA TION
D K935
ISSUE 1
April,
1980
936amperes average:
RATINGS Maximum values
RATING
Average
RMS
DC
Peak
Maximum
Heatsink
Storage
forward
current
forward
one-cycle
temperature
current
current
surge
permissible surge energy
operating
(non
temperature
CHARACTERISTICS Maximum values
r-----
CHARACTERISTIC
Peak
forward
Forward
Forward
Peak reverse
Thermal
tiOd'
drop
characteristic
voltage
conduction
conduction
current
resistance
with,
m"imom
drop
threshold
slope resistance r
junction
'D,w"d
at
repetitive)
voltage
to
heatsink
,olt·
175° C
Half sine wave
-
!
for
up
Tj
unless
stated
CONDITIONS
100°C heatsink
1
Oms
duration
10ms
duration
3ms
duration
at
175°C
At
2940A,
/\t
V
RRM
DC
and
1200 rectangular wave
{ 60% V
{ 60% V
CQt\lD!TIONS
IFM
0
180
sine wave
V
R
V R ~ 10 volts
\/
R
unless
to
otherwise
temperature
re-applied
RRM
~
10 volts
RRM
re-applied
~
10
volts
stated
1200
otherwise
volts
SYMBOL
iF(AV)
IF(RMS)
IF
I
FSM
I
FSM
12
t
(1)
12 t (2)
T
hs
T
stg
SYMBOL
V
FM
\/0
iRRIIi1
Rth(j - hs)
(1)
(2)
VR
RM
1900000A
2500000A
1860000A
-30,
-40,+200°C
I
936A
1510A
1430A
19500A
22400A
+
oC
17S
1.36V
0.79V
O.192mQ
30mA
O.065°C/W
O.072°C/W
2
s
2
5
2
s
VOL
TAGE
Repetitive
Non-repetitive
ORO R
E ING
S W
FixeD
BASIC
Typical
code
In
the interest
CODE
lIoltage
voltage
FORMATIO N Please
IN
II!-
-
RRM
RSM
• •
CODE
SW08KBR935 ~ 800V
of
VOLTAGE
--
product improvement Westcode reserves the right to change specifications
(see
RRM
above)
02
04
200 400
500
quote
CODE
diode
with
base anode
I
I
06
600
08 10
800 1000
700 900 1100
d .
OUTLINE
CO( e as expl,
eVlce
K
FIXED
B
CODE
bl
eow
•
BASE
POLARITY
N =
cathode
R
=0
anode
12
1200
1300
10
d""
-
IgltS)
9
at
any time without notice.
.
:3
FIXED
TYPE CODE
--
5

o
K935
()
°
..
t:
.,
:c
c:
0
.~
c.
...
..
'ii
"E
.,
~
.E
,(
.,
E
..
I!?
..
c.
E
II!
.,.
...
c
~
u
"
~
..
"
c
'"
...
...
OJ
.:::
.,.
.,
c.
'"
"5
g
180
160
1'40
120
100
1800
1600
1400
1200
1000
800
600
400
200
100
80
60
40
20
o
o
0
0
mean forward current, amperes, whole cycle average
'----
-
10
f--f-
-
~
I---
r:::
6 phase 3 phase
BOO
200
400
600
3
6 phase
200
400
600
Figure 1 Dissipation
<:
-
v.
mean forward currant
'""
",
I--
5
100.5
m.secs cycles
duration
Figure 2 Max. non repetitive surge
et
initial junction
1000
1 phase
phase .
- -
800
1000 1200 1400
and
:-....
~
--c
-iT'
·7[-'
!-
5
of
surge
temperature
1 phase
stud
-
at
f
10000
~
..
"E
~
1000
.E
en
"
i
c
!3
c
!3
en
.!:
1200 1400
DC-
1600
DC
t:
0.1
..
.!
()
°
1600
temperature
2i
c
i
c.
.S
'iii
0.01
E
.s
...
c
.!!!
en
c
~
0.001
<
REV.
::1~EVVOLTS:
REV, VOLTS
REV. VOLT
.. 60%V
--
. -
50100
50Hz
current
175°C
I.
VOLTS
II
..
60%V
RRM
<
10
+'
AAM
...
'"'-
...
,(
E
/
100
0.5
II
0.7
......
0.9
max. instantaneous forward voltage, volts
Figure 3 Forward voltage characteristic
V
0.001
3Ilu)
~4.'X25.4
I
._._
0.01
Figure 4 Transient
II
1.1'
xl)
(.43)
2 HOlES
.
.1/011
il
Ii=-
~
:.:
, '
-
I
4111.11)
.1
(1.4)
i'!
SQ.
SQ.
1-:04'
(1.13)
j
"-0
.!i
.::1
12
.
"lIT'
...
4 HOlES
..
:
.....
~
..........
......
~
1.1
0.1
time, seconds
thermel impedance, junction
to
heatsink
WIDE
'ii
ri
:;;
(.34)
1.3 1.5
./
1.0
Mounting Torque
1.66 -
2.07 KgM
threads
Weight: 936
dimensions
not
lubricated
in mm (inches)
-
to
1.7
0.065
°CIW
10.0
be
grams
WESTCODE SEMICONDUCTORS
P.O.
Box 57, Chippenham,
Wiltshire, England
Telephone:
(Sales)
Telex: 44751 Telefax:
Westinghouse Brake and Signal Co.
SN151JL
0249 444524
0249659448
ltd.
LIMITED
..."
A HAWKER SIDDELEY COMPANY