Westcode Semiconductors DF 74 Data Sheet

ESTCODE~

SEMICONDUCTORS

Technical
Publication

DF

74

ISSUE 2

May, 1989

Fast

65

Ratings

RATING

Average forward current

R.M.S. current max.
D.C. forward current max.
Peak one-cycle surge

non-repetitive

Maximum surge 1

Operating temperature range

Storage

Recovery

Stud-Base

amperes average: up

(Maximum

2

t

temperature range

values

at

Diode

to

1000 volts V

Tj

150°C

CONDITIONS

Half sinewave 100°C case temperature

10m . I

10m.s. sine pulse V

3m.s. sine pulse

unless

sine pu se V

.s.

. { 60% V

Type

stated

{60%

RM....;:

RM....;:

VRM.::s

V

RRM

~

RRM

~

10

10

10

PCN/PCR074

RRM

otherwise'

SYMBOL

IF(AV)

IF(RMS)

IF

re-applied max.

Volts

re-applied max.

Volts

volts

I
IFS

12t

Tease
T

FSM

12t

2

1

t

stg

M

(1)
(2)

(3)

(1)
(2)

-55+

-55+

65A
112A
118A

l000A
1150A

2

5OOOA

66OOA2s
49OOA2s

150°C
150°C

s

Characteristics

CHARACTERISTIC

Peak forward voltage drop
Forward conduction threshold voltage

Forward conduction slope resistance
Peak reverse current

I

Thermal resistance

J

Reverse recovered charge
Reverse recovery time

Reverse recovery time

VOLTAGE CODE

*Repetitive voltage V

Non-repetitive voltage V

"'Maximum heatsink

(Maximum

RRM

RSM

to

free air thermal resistance

...

values

at

CONDITIONS

At

200A

VRM=VRRM (max.)
Junction

Case

{IFM=

I V

=50V

RM

I {IFM =

V

= 50V Tj = 25°C

RM

02 04

200

300

for

which repetitive voltage ratings apply is

Tj

IFM

to

heatsink

l00A,

lA,

150°C

to

case

di/dt=

di/dt

= 25

400

500

unless

10

AlfAs

s

AlfA

stated

otherwise)

SYMBOL

V

FM
Vo
r

'RRM

...

nth(j-c)

Rth(c-hs)

0,..

to.

to.

06 08 10

600

700

800

900

6.6°C/W

1000

1100

1.fJRN

1.06V

3mn

15mA

O.5°C/W
O.l°C/W

15J,1C

2.3t;S

500ns

Ordering

S

FIXED BASIC

Typical code: SM06PCN074 = 600 V

Information

M

VOLTAGE CODE

CODE

(Please

quote

• •

(see

above) CODE

stud-base diode

RRM

device

p

FIXED

with

stud cathode

code

C

OUTLINE

as

explained

BASE POLARITY

N=cathode

R=anode

below -10

•

0

FIXED

CODE

digits)

7

TYPE

4

NOTES

1.

ON

OPERATION

For rectangular wave operation, allowance must
be

made

with

regard.

to the maximum permissible
case temperature for both the heating caused by
the average reverse switching dissipation and the

junction

rise in
pulse. Failure
peak temperature
of

the

device
which is assumed
junction recovery.

Allowance
reverse switching power dissipation

T

SE(2)= TCASEm-(E/pulse/volt)

CA

-ATJ/volt

where: T

temperature for zero reverse losses.

T
temperature when

temperature per reverse power

to

correct for both average and

rises

could result in the failure

to

withstand the full reverse voltage

to

be

applied at the instant

may

be

made for average and peak

V

RRM

(1)

is the maximum permissible case

CASE

CASE(2)

is the maximum permissible case

allowance for reverse

as

follows:

f,VRRM

of

Rth(J-C)

switchinglosse$ has been made.

E/pulse/voit is the reverse energy (in
joules) in the recovery period per volt
reverse applied voltage.

f is the frequency

V

is the repetitive peak reverse

RRM

voltage

AT

J/volt

is the junction temperature rise
in deg.
voltage per reverse recovery pulse

Rth(J-C)

C per

is

O.5°C/W

volt

of

of

operation in

reverse applied

Hz

2. For sinusoidal operation, the same derating

expression may

considerable safety factor. The commutation rate
of

forward current may
at the instant at which the forward current passes
through zero.

be

used, and will offer a

be

taken

as

that obtaining

of

(J

160

°

i

140

a

~

Co

120

E

!

5l

100

1'0

(J

CD

:l5

80

:~

E

CD

60

Co

X

1'0

40

E

..

180

160

~

§

40

E

'x

20

~

~

......

"'"

o 20

SINE

r-

....

0

o

mean

~

""'''''

"'-.....

WAVE

~

&"""

20 40

forward

"'-.::---

i'-

phase

40

"

~

!'\

lo'

"-..

"'-.....

"

~

60

3 phase

V

V

v

60

'-,-

"-.....

. 3 phase

'"

1

1 phase

/'

V

V

i'--

1

phase

80

80

"-..

100

/'

V

100

"'-

~

16

6 phase

/'

current, amperes (whole cycle average)

'-

lOT

120

D5

120

(J

°

160

i

"'Ii!!~

"

E

140

CD

Co

~

120

5l

~

100

CD

:l5

.~

'e

1»

Co

x

1'0

E

¥l

180

~

160

g

140

.

."

~

120

:~

100

"0

"E

80

~

.E

60

§

40

E

'x

20

~

t;;;,..

~ ~

t--

~

~

r--.

~

i:'-l"--"

~

1\

80

60

conduction

I I I I I I I

40

o

r-

SQUARE WAVE

r-conduction = 30

0

0

mean forward current, amperes (whole cycle average)

~

~

20

20

III"'"

=30

1/

~

?;;

-

40

/'

.-'l::'--::

40

i'--

"

"'-

'"

'-"-..

'1

",-""

~'"

.I

60

60

//'

12J

~

60

90

60

LL

120

V

~

~

I'--

f'..

lad

II

80

180

80

.I

i'-

i'-

136f

100

/'

V

100

120

~

120

Figure 1. Dissipation and case temperature

v. current (sine

wave)

50Hz

Figure 2. Dissipation and case temperature

v. current (square

wave)

50Hz