0.1

1.0

.01

10

50

RATING AND CHARACTERISTIC CURVES (SF21 THRU SF28)

FIG.4-TYPICAL REVERSE

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

CHARACTERISTICS

FIG.2-TYPICAL FORWARD CURRENT

FIG.6-TYPICAL JUNCTION CAPACITANCE

REVERSE VOLTAGE,(V)

0.4

0.8

1.2

1.6

2.0

2.4

175

150

125

100

75

50

25

0

(+)

(+)

25Vdc

(approx.)

( )

( )

10

NONINDUCTIVE

50

NONINDUCTIVE

W

W

PULSE

GENERATOR

(NOTE 2)

OSCILLISCOPE

(NOTE 1)

1

NON-

INDUCTIVE

W

NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.

2. Rise Time= 10ns max., Source Impedance= 50 ohms.

+0.5A

0

-0.25A

-1.0A

|

|

|

|

|

|

|

|

1cm

SET TIME BASE FOR

50 / 10ns / cm

trr

.01

.05

.1

.5

1

5

10

50

100

D.U.T.

3.0

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

0.375"(9.5mm) Lead Length

DERATING CURVE

Tj=100 C

Tj=25 C

20

0

40

60

80

100

NUMBER OF CYCLES AT 60Hz

1

10

5

50

100

Tj=25 C

8.3ms Single Half

Sine Wave

JEDEC method

0

PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)

20

40

60

80

100 120 140

AMBIENT TEMPERATURE,( C)

0

0

25

50

75

100

125

150

175

FIG.5-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

0.1

1.0

.01

10

50

FIG.3-TYPICAL FORWARD

CHARACTERISTICS

FORWARD VOLTAGE,(V)

Pulse Width 300us

1% Duty Cycle

.4

.6

.8

1.0

1.2

1.4

1.6

1.8

3.0

Tj=25 C