Westcode Semiconductors DF 76 Data Sheet

E C E

ICON UCTORS

Technical
Publication

DF

76

iSSUE 2

L. May, 1989

Fast

Recovery

Stud-Base

75 amperes average: up

Ratings

RATING

Average
R.M.S.
D.C.
Peak one-cycle surge

non-repetitive

Maximum

Operating temperature range
Storage temperature range

(Maximum

forward

current max.

forward

surge 1

current

current max.

2

t

values

at

Tj

I

Diode

to

400 volts V

150°C

CONDITIONS

Half sinewave

10

10

unless

lOD

. I

m.s.

sme pu

m.s. sine pu

3m.s. sine pulse V

se

. I { 60% V

se

Type

PCN/PCR076

RRM

stated

D

e case temperature

{60%

V

RM

V

RM

RM

otherwise)

V

re-applied max.

RRM

<;

10

Volts

re-applied max.

RRM

<;

10

Volts

<;

10

volts

SYMBOL

IF(AV)

'F(RMS)

IF

i

(1)

FSM

I

(2)

FSM

J2t

(1)

2

1

t

(2)

2

1

t (3)

Tease
T

stg

-55+

-55+

75A
118A
118A

1200A
1380A

7200Ns

9500Ns
6930Ns

0

150

e

0

150

e

Characteristics

CHARACTERISTIC

Peak

forward
Forward
Forward
Peak reverse current
Thermal resistance

Reverse

Reverse recovery

VOL

TAGE

"Repetitive voltage

Non-repetitive voltage

*Maximum

voltage
conduction
conduction

recovered charge

time

CODE

heatsink

to

(Maximum

drop
threshold voltage
slope resistance

V

RRM

V

RSM

free air thermal resistance

values

!lIP

at

Tj

150°C

CONDITIONS

At

236A

IFM

= V

V

RM

Junction
Case

{IFM=

VRM=50V

RRM

to

heatsink

l00A,

(max.)

to

case

di!dt=25

02 04

200 400

300

for

which

500

repetitive voltage ratings apply is

unless

A/I-'s

stated

otherwise)

SYMBOL

V

FM

Va
r

IRRM

Rth(j-c)
Rth(e-hs)

(},.,

tre

7.1°C/W

1.52V
O.77V

3.15mQ
20mA

0.5°C/W
O.l°C/W

61-'C

lf1s

Ordering

S

FIXED

Typical code: SM04PCN076 = 400 V

Information

M

BASIC

CODE

VOL T AGE CODE

(Please

•

(see above)

stud-base diode

RRM

•

quote

device

p

FIXED OUTLINE

CODE

with

stud cathode

code

C

as

explained

BASE POLARITY

N

R =

~:

cathode

•

anode

below

0 1

iii

- 10

digits)

FIXED TYPE

CODE

6

NOTES

1.

ON

OPERATION

For rectangular wave operation, allowance
be

made

with

regard

to

the

maximum
case temperature
the average reverse
rise in

junction
pulse. Failure
peak temperature rises could result in the failure
of

the device

which

is

assumed

junction recovery.

Allowance

switching

reverse

for

both

the

switching

temperature per reverse

to

to

may

correct

withstand

be

for

both

the

to

be applied at the instant

made

for

average and peak

power

dissipation

heating caused

dissipation and the

average and

full reverse voltage

as

must

permissible

by

power

of

follows:

switching losses has been made.

E/pulse/volt

joules) in the recovery period per

reverse applied voltage.

f is the frequency

V

RRM

voltage

il

T J

Ivolt
in deg. C per
voltage per reverse recovery pulse

is

the

reverse energy (in

of

operation in Hz

is

the repetitive peak reverse

is

the

junction

volt

temperature rise

of

reverse applied

volt

of

T CASEI2) = T

-ilTJ/volt

where: T CASEI1) is the maximum permissible case

u

0

160

ai

Z

ro

140

Q;

0.

E

B

120

Q)

rn

ro

u

Q)

100

:0

'ii;

<Il

'E

1--

80

Q;

0.

X

co

60

E

o

~

140

ro

~

120

c

o

ii;

100

0.

.~

80

13

E

co

60

~

E

40

E

:0

E

20

'x

co

E

o

o

mean

CASEll)

-

(E/pulse/volt)

V

RRM

temperature

T CASEI2) is the maximum permissible case
temperature when allowance

~

~~

f"..

for

zero reverse losses.

.......

I"

"

f.

V

RRM

for

"

"

I-

6 phase sq. wave

20

v::~

~~

i"

20

forward

......

1

I

40

1 I I

60

I-r-l

phase sine wave

II

80

3 phase sq. wave_

'rrr

I I I I
I I I I

.II

I. I I I I

3ph. sq. wave

6ph. sq. wave

V

/

Vv

V

/tf/

40 60 80

current, amperes {whole cycle average)

1 ph. sine wave

v:

/:

I/;

/'

~

V

/'

V

RthIJ-C)

reverse

""

I I I J I

100

/'

100

DC,.,-

V

8?=

120

120

RthIJ.C)

is

O.5°C/W

2. For sinusoidal operation, the same derating
expression may be
considerable safety factor. The
of

forward
at the instant at
through

current may

zero.

used, and will

be

which

the

100

ill

Q;

E 40

co

::i

a:
a:

90

80

70

60

50

30

20

SQUARE

Tj ~ 150°C

/

I

II

WAVE

V

/

/

_.

10

o

o

50

forward current, amperes

Figure

2.

Maximum
current

100

peak

v.

forward

150

reverse

current

offer

commutation

taken

as

that

forward

200 250

current passes

recovery

a

rate

obtaining

dlR/dt,A/l's

300

200

100

·r1

."

300

Figure

1.

Dissipation
v.

current.

and

50Hz

case

temperature