NUMBER OF CYCLES AT 60Hz

REVERSE VOLTAGE,VOLTS

NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.

.

INSTANTANEOUS FORWARD VOLTAGE, VOLTS

AMBIENT TEMPERATURE,

USF21 --- USF24

FIG.2 -- TYPICAL FORWARD CHARACTERISTIC

FIG.3 -- FORWARD DERATING CURVE

z

FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC

SET TIME BASE FOR 10/20 ns/cm

FIG.6 -- TYPICAL REVERSE CHARACTERISTICS

PERCENT OF RATED PEAK REVERSE VOLTAGE,

FIG.4 -- TYPICAL JUNCTION CAPACITANCE

FIG.5 -- PEAK FORWARD SURGE CURRENT

-1.0A

-0.25A

0

+0.5A

1c m

PULSE

GENERATOR

(NOTE2)

D.U.T.

1

NONIN-

DUCTIVE

50

N 1.

10

N1.

OSCILLOSCOPE

(NOTE 1)

(+)

25VDC

(approx)

(-)

0

30

1

10

100

45

8.3ms Single Half

Sine-Wave

75

60

15

90

0.1

1.0

10

0 . 2

0 . 4

1 . 0

0.01

0 . 6

0 . 8

0

100

1 . 2

1 . 4

0.02

0.04

0.2

0.4

2.0

4.0

20

40

P ul s e W idt h = 30 0

.0 1

.1

1

100

20

40

100

60

80

0

10

120

140

1

2

4

6

10

20

40

60

100

0.1

0.2

0.4

1

2

4

10

40

100

20

0

25

50

75

10 0

12 5

15 0

17 5

0

1

3

2

S ingle P hase

H alf W a ve 60H Z

R esistive or

Inductive Load

0.375"(9 .5m m )Lead Length

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