Document Number 0264002

2.

FIG.2 -- TYP ICAL FORW ARD CHARACTERIS TIC

FIG.3 -- FORW ARD DERATING CURV E

z

FIG.4 -- TYP ICAL JUNCTION CAP ACITANCE

FIG.5 -- P EAK FORW ARD S URGE CURRENT

A M B IE NT TE M P E RA TURE ,

NUM B E R OF CY CLE S A T 60Hz

RE V E RS E V OLTA GE ,V OLTS

SF21---SF28

FIG.1 -- TES T CIRCUIT DIAGRAM AND REV ERS E RECOV ERY TIM E CHARACTERIS TIC

SE T TIM E BA SE FOR 10 ns /c m

N OTES:1 .R ISE TIME = 7n s MAX.IN PU T IMPED AN C E = 1M

.2 2p F.

.

RATINGS AND CHARACTERISTIC CURVES

INS TA NTA NE OUS FORW A RD V OLTA GE , V OLTS

-1 .0 A

-0 .2 5 A

0

+ 0 . 5 A

1c m

1

2

4

6

10

20

40

60

100

200

0.1 0.2

0.4

1

2

4

10

40

100

20

SF25-SF28

SF21-SF24

PULSE

GENERATOR

(NOTE2)

D.U.T.

1

NONIN-

DUCTIVE

50

N 1.

10

N1.

OSCILLOSCOPE

(NOTE 1)

(+)

25VDC

(approx)

(-)

0.5

1.0

0

25

50

75

100

125

150

Single Phase

Resistive or

Inductive Load

0.375"(9.5mm)Lead Length

0

175

1.5

2.0

2.5

3.0

0

20

60

1

10

100

30

5

8.3msSingleHalf

Sine-Wave

50

50

40

10

70

.6

.4

.8

1.0

1.2

1.4

1.6

1.8

0.01

0.1

1

10

100

Tj=25 C

Pulse Width=300 s

1% Duty Cycle

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