Westcode Semiconductors DK635 Data Sheet

TECHNICAL

PUBLICATION

~

SE

Flat-Base

630amperes average: up

RATINGS

Average

RMS

DC

forward

Peak one-cycle surge (non repetitive)

Maximum

Heatsink
Storage

Maximum values

RATING

forward

current

operating

temperature

current

current

permissible surge energy

ICONDUCTORS

temperature

ESTC

Silicon

at

160°C Tj unless stated otherwise

Rectifier

Half sine wave

1

Oms

duration

1

Oms

duration

3ms

duration

DE

Diodes

CONDITIONS SYMBOL

lOODC

heatsink

{ 60% V

';:;

V

R

{ 60% V

V R

';:;10

V

R';:;

~

Type

to

temperature

re-applied

RRM

10 volts

RRM

re-applied

volts 1

10 volts

KBNI

3000

KBR635

volts

IF(AVi

IF(RMS)

IF

I
i

12

T
T

FSM
FSM

t

2

t

hs
stg

(l)

(2)

(1)

(2)

V

RRM

o K635

ISSUE 1

April,

1980

630A
1510A
1220A

12700A
14600A

800000A2s

1065000A2s

790000A2s

-30,

+160DC

-40,

+185°C

CHARACTERISTICS

CHARACTERISTIC

Peak

forward
Forward
Forward

Peak reverse

Thermal

a

diode

drop

characteristic

voltage
conduction
conduction

current

resistance junction

with

a maximum forward volt·

I

VOL

TAGE

CODE

Repetitive

Non-repetitive voltage

ORDERING

voltage V

INFORMATION

s w

FIXED

BASIC CODE

Maximum values

drop
threshold voltage
slope resistance

to

heatsink for

....

RRM

V

RSM

(Please

• •

VOLTAGE CODE

(see aoove)

at

At

1980A,

At V
DC

and

1200 rectangular wave

--'---

24

2400

2500

26

2600
2700

quote

160°C

HRM

Tj

CONDITIONS SYMBOL

IFM

1800 sine wave

28

2800

2900

device code

K B

FIXED

OUTUNE

unless stated otherwise

30
3000
3100

as

explained below - 10 digits)

•

CODE POLARITY

BASE

N

""

cathode

R = anode

V

FM

Vo

r

IRRM

R

thO

I

-

hsl

-~-

6 3

TYPE CODE

1.51V

0.87V
O.323mn

30mA

O.065°C/W

o.onoClw

I

I

J

5

FIXED

Typical

In

code

SW28KBR635 =

till>

intprP"t

nf

nmrill"t

2800

V

RRM

imnmVf'!ment.

diode

with base anode

Westcode reSfJflles

the

riqht

to

change specifications

at

any

time

without

notice.

(J

°

.~

D

Co

E

2!

~

c:

OJ

..c:

'"
'"

:0

.~

'§

.,

Co

)(

OJ

E

'"

~

3:

c:

,g

OJ

Co

'iji

'0

'E

~

.E

x

E

.1400

K635

160
140
120
100

80
60
40
20

o

1800
1600

1200
1000

800
600

400

200

o

r...

t':iii;;;

I:::;:t-

o

200

t:;"

L..oli'"

200

o

mean

forward

Figure 1 Dissipation and

;::,..

I'---

I':

i"-

6 phase 3 phase c-1 phase

400

6 phase

lh

L<'"

400

current,

v.

mean forward

f'

600

V

600

amperes, whole cycle average

1 phase

3 phase

1/

1/

[/

stud

current

800

l,J

800

I'---

I'---

,,",

temperature

r--

1000

1000

I-

1200

DC-c-

1200

DC

I

100.~J-~~V~~~~7L~~LL~~~~-L~~

0.5

0.7

0.9

1.1

1.3 1.5 1.7 1.9

max.

...

~

U

°

instantaneous

Figure 3 Forward

0.1

v---

0.01 0.1

forward voltage, volts

voltage characteristic

L

I

J

time,

seconds

0,065

,

°C/W

I

I!

I

I

I

I

I

! II! I

1

,

I

I

I

I!

' "

111

'II

I1111

!i

:ill

!:;

I

IIII

1.0

10.0

m,secs cycles

duration

Figure 2 Max. non repetitive surge

at

initial

junction

at

of

surge

temperature

50Hz

current

160°C

WESTCODE SEMICONDUCTORS

P.O.

Box 57, Chippenham,
Wiltshire, England
Telephone:

(Sales)

Telex: 44751 Telefax:

SN151JL

0249444524

0249659448

LIMITED

Figure 4 Transient

r!8(I~l

I

J

1===~1(1.I3)

II

',8_25.4

(19M

1.-0.9

1

: '

i

"(1.11)

SQ,

i

1'--01.6

61

(2.0)

SQ,

WIDE

1)

::

(,3')

• HOLES

to

thermal

impedance,

heatsink

Mounting Torque

2.07 KgM

1.66 ­threads

not

to

be

lubricated
Weight: 936 grams

dimensions
in mm (inches)

junction