Westcode Semiconductors DF 46 Data Sheet

~w

STC

E~

SEMICONDUCTORS

,..-

Technical Publication

OF 46

ISSUE 2

May, 1989

t..

Fast

Recovery

Stud-Base

45 amperes average: up

Ratings

RATING

Average

R.M.S. D.C. forward current Peak

non-repetitive

Maximum surge

Operating temperature range Storage temperature range

(Maximum

forward

current

one-cycle surge

current

12t

values

at

Tj

Diode

to

400 volts V

150°C

CONDITIONS

Half sinewave

10

3m.s. sine pulse

unless

. I

m.s.

sine pu

. I { 60% V

m.s.

sine pu

100DC case temperature

se

Type

stated

{60%

V

RM

V

RM~

VRM-:S

OOI\JI

1'111YI

otherwise)

V

re-applied max.

RRM

<

10

Volts

re-applied max.

RRM

~

10

Volts

10

volts

PCN/PCR046

SYMBOL

IFIAVI IFIRMSI IF

I

111

FSM

I

121

FSM

J2t

111

12t

121

12t

131

Tease

T

stg

-55+

45A 11SA 11SA 650A

750A

2113A2s 2S00A's

20S0A's

150DC

Characteristics

CHARACTERISTIC

Peak

forward voltage drop

Forward

Forward Peak

Thermal resistance

Reverse recovered charge

Reverse recovery time

VOLTAGE CODE

"Repetitive voltage

Non-repetitive

"Maximum

conduction conduction

reverse current

voltage

heatsink

threshold voltage slope resistance

to

(Maximum

values

IIFM=1OOA,

\VRM=50V

....

V

RRM

V

RSM

free air thermal resistance

at

Tj

1500C

CONDITIONS

At

135A

IFM

VRM=VRRM (max.) Junction

Case

to

heatsink

to

case

di/dt=25A//As

02

200

300

for

which repetitive voltage ratings apply

unless

04

400

500

stated

otherwise)

SYMBOL

V

FM Vo r

IRRM

Rthlj·el Rthle-hsl o,.r

trr

is

7.5DC/W

1.56V

1.15V

3.05mQ 15mA

O.SDC/W

0.1DC/W

4.5j.lC

0.9J.1S

Ordering

5

FIXED

Typical code: SM04PCN046 = 400 V

Information

M

BASIC

CODE

VOLTAGE CODE

(Please

•

(see

above)

stud-base diode

RRM

•

quote

device

p

FIXED OUTLINE BASE POLARITY

with

code

C

CODE

stud cathode

as

explained

N =

R

•

cathode

-anode

below

- 10

0

FIXED TYPE

CODE

digits)

4

6

NOTES

1.

ON

OPERATION

For rectangular wave operation, allowance be made case temperature the average reverse switching dissipation and the rise in pulse. Failure peak temperature rises could result in the failure of which junction

Allowance may reverse switching

junction

the

device is assumed

with

regard

to

the

maximum permissible

for

both

the

heating caused by

temperature per reverse power

to

recovery.

be

correct

withstand the full reverse voltage

to

be applied

made

power

for

both

for

average and peak

dissipation

average and

at

the

instant

as

follows:

must

of

switching losses has been made.

E/pulse/volt joules) in reverse applied voltage.

f

is

the frequency

V

RRM

voltage

AT J /volt in deg. voltage per reverse recovery pulse

is

the

reverse energy (in

the

recovery period per

of

operation in

is

the repetitive peak reverse

is the junction temperature rise

C per

volt

of

reverse applied,

volt

Hz

of

CASE(2) = T

T

-ATJ/volt

where: T

u

o

OJ

150

.....

~

co

130

Q;

0.

E

110

~

90

Ql

j5

'iii

70

'E

&

50

~

30

E 0

£1

120

~

c-

100

.g

co

0.

80 'iii

.,

'5

"E

60

co

~

0

40

-

E

::::J

20

E

'x

co

0

./

E

o

mean forward current, amperes (whole cycle average)

CASEllI

-

(E/pulse/volt)

V

RRM

CASEllI

is the maximum permissible case

temperature

CASE(2)

T temperature when allowance

~

,,~

~

L:::,

"

~

for

zero reverse losses.

is

the maximum permissible case

~

"'"

!

"-

r'::

"-

1'-

['.,

l'-

f'....

1\

sq.

~

wave

6 phase

L 1 1 3 phase sq,

10

20 30 40 50 60 70 80 90 100

1 phase sine

'I

#'

1 1

,0

Q

/'

3 phase sq. wave

6 phase sq, wave'

/

~./

/..

~

p-

~

10

30 40 50 60 m 80 90 100

f. V

f'-.

f"'..

f'.

....,

'\

1 phase sine wav':l

"

~I

1 1

~

IL

V

RRM

for

reverse

"-

!'-"

-I

waveL

Rth(J-C)

I:::::,

DC""

V

J

1

OC

Rth(J-C) is

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

forward current may be taken

at

the instant at which the forward current passes

through zero.

80

SQUARE WAVE

~lsOod

70

60

t-

., 40

Ql

&

~

a:

...!!-

i

~

co

""

~

50

30

20

10

/

V

I-

k::

r-

0

o

10

forward current, amperes

Figure 2.

V

/'

V

I

.........

_1-"'-

20 30 40 50 60 70 80 90 100

Maximum current v.

O.8°C/W

used, and will offer a

l---:I-

V

f0-

....-

r-

~

-

..

peak

reverse recovery

forward

I-

r--:

r-

current

as

r

that

-l-

obtaining

dlR/dt,A/l1s

f-

l-

l--

b--

I-

f--

-

300

200

100

50

20

Figure 1. Dissipation and case

v. current, 50Hz

temperature

10

=

~

5

3

2:

~

~-

0.5

2:

3l

0.3

~

:;

Co

>

--

Cl

16

[i 0.1

1 3

rate of

Figure 3.

SQUARE

Tj(initial) = 150°C

WAVE

I

ll~

l

! I

-

10

5

change

of current,AI

Max.

energy/pulse/volt

change

of

- REVERSE LOSSES

__

/V'

~

v

~

I/"

A

30 50

"s

reverse current

100

~

1/

~

V

v. rate

r--

300

IFM;A_

100

50,

40

2b

1p

5

of

~~

H-H

I

' ,

0.1

0.05

u 0.03

o

....

(5

2:

3l

0.01

:;

Co

III

--

0.005

.~

~

0.003

'§

III

Co

E

~

0.00

1

Figure 4.

= SQUARE

f-

Tj

(initial) 1500C

3 5

rate of

change

Junction rate

of

WAVE

/

/.Q2

~

f'"

WI

10

of current,

temperature

change

//

~

V'~

~

~v

I--'"

V-

30 50

AI

flS

of

reverse current

100

rise/pulse/volt

V

~

V

300

IFM,A

100-

I I

60

49

20

I ,

10

1 I

5

v.

10

~S~Uf.R,EWAVE

~Tj=25°C

5 3

u

"-

II;

~

0.5

.J::

~

0.3

~

o

<.>

~

0.1

Figure

.--

I---

f---

rate of

5.

I

r-

1

3 5

change

Max.

change

SQUARE

r-

Tj

='25ciC

r-:-r

0.7

0.5

II)

"-

0.3

11;

.~

~

0.2

~

<.>

~

0.1 1

rate

of

change

3 5

--

~~-~=

~=.

_--~I

---

I I

I

1--:

1'///

~/

V

10

of current,

~""

V""

~

-

V

--

.

30 50 100 300

AI

flS

-

Z

L

V

t::=-

1---

recovered charge v. rate

of

current

E'

WAV

I

I'"

t---

~

--....

;-. "I'-

t'-

~

i'~

8::

I

i'\

of

current,

10

30 50

A/"s

100 300

--

-f--

:;;:;

2.

/'

----

--

f-:--

~

I--

r--

of

i'-,

"-

i'-,

1\

100

-40

.J.-I-

.

f-

.-- -

f--.

60

20

10

-

IFM,A

I I

100

II

60

40

! I

20 I

I I

119

100

=

SQUA~E,

jTj

50

;

I

30

10

Figure

10

II)

"-

iii

E

.

."

~

0.5

~

<.>

0.3

I!!

5

3

1

rate of

f-

5

3

6.

SQUARE

Tj

~

I

II

_ 0.1

~

1 3 5

rate

of

WAVE

,150OC

v

V

!L

~

v

V

~

j:::

10

5

3

change

of

current, A/fls

Max.

recovered charge v. rate

change

,

150°C

change

of

f--

WAVE

10

of current, A/fls

30 50

current

.........

~

......

::-.;;

3050

1'-1'

/.

---

I-

100

:

----

::::-.....-

~

100

/'

V-

-

~

300

of

t--...

~

I"-

300

IFM,A

III

100-

I

II

60

,

40'

20,_

I,L

10

11

IFM,A

100

1s9

40 20

10

,

Y

Figure 7.

Max.

reverse recovery

change

of

current

time

v. rate

of

Figure 8.

Max.

reverse recovery

change

of

current

time

v.

rate

of

~

u

°

Q;

u

c

.f3

0.05

Q)

Q.

.S

"iti

E

Q;

-5

0.01

0.5

0.1

0.0001

V

time,

V

seconds

0.001

0.01

v

0.1

10

ijJ

1000

a;

Q.

E

'"

c

~

100

::>

u

rn

~

.E

"'

10

::>

o

Q)

c

~

.5:

c

'"

1il

150°C

Y

0.5

max. instantaneous

0.7

,

1/

vV

/25°C'

0.9

forward

I

......

1.1

voltage, volts

1.3

f..-f-:

1.5

I-:

~

1.7

Figure

9.

Junction impedance

to

case

transient

Q)

"'

a;

10

Q.

E

"!

5

..><

...

;

C

[I:

:;

u

Q)

~

e>

:l

"'

Q)

c

"iii

0.5

......

"iti

..c

..><

Q)

'"

Q.

]

-------

0.1

2

-------

1

Figure

thermal

::::::

----

m.secs

11

..

Max initial

./'

10

0.5 1

duration

..

non-repetitive

junction

temperature

Figure

./

><.......

~

5

of

surge

10.

r--..r--

10

c

Forward diode

50

Y ,

des

a

50Hz

current

150°C

V

::::---

100

at

\loltage

Ii":

vRRM<101

(I',: 60% vRRM

(lFSM: VRRM<

(lFji'

ill

Iii

characteristic

10'

u

"'

O·

~

1

N

Q.

'"

E

~

N

-

101

E

:l

RMI E

'x

'"

103 E

of

limit

04

(.'57)

3.6,

(.14)

t--..t~:;;;!:t,

17.45

AJF~

1.68)

In

the interest

•••••••

of

product

improvement,

Westcode

I:t\~'1:f3.J

WESTCODE

SEMICONDUCT~

reserves the right

•

~

Dimensions in

m.m.

(inches)

Mounting torque:

4-4.7

Threads

Weight:

to

Nm

(0.4-0.48

not

to

be lubricated

20

grams

change specifications at any time

Kgf m)

without

WESTCODE SEMICONDUCTORS LIMITED

P.O.

Box

57,

Chippenham, Wiltshire, Telephone:

Telex: 44751 Telefax: (0249) 659448

1 KSAC589

EngiandSN151JL

(0249) 444524

notice .

Westcode Semiconductors DF 46 Data Sheet

Specifications and Main Features

Frequently Asked Questions

User Manual