- 243 -

FIG.2- MAXIMUM AVERAGE

FORWARD CURRENT DERATING

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

25

50

75

100 125 150 175

0.5

1.0

1.5

2.0

2.5

3.0

AMBIENT TEMPERATURE. ( C)

o

50

W

NONINDUCTIVE

1W

NON

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

PULSE

GENERATOR

(NOTE 2)

DUT

(+)

50Vdc

(approx)

(-)

NOTES: 1. Rise Time=7ns max. Input Impedance=

1 megohm 22pf

2. Rise Time=10ns max. Sourse Impedance=

50 ohms

(-)

(+)

10

W

NONINDUCTIVE

-1.0A

-0.25A

0

+0.5A

trr

1cm

SET TIME BASE FOR

5/ 10ns/ cm

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

0.375" (9.5mm)

Lead Length

RATINGS AND CHARACTERISTIC CURVES (SF21G THRU SF28G)

FIG.4- TYPICAL FORWARD CHARACTERISTICS

FIG.3- TYPICAL REVERSE CHARACTERISTICS

0

20

40

60

80

100

120

140

0.1

1

10

100

1000

PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)

Tj=25 C

0

Tj=125 C

0

Tj=75 C

0

FIG.6- TYPICAL JUNCTION CAPACITANCE

0.1

0.5

1

5

2

10

20

50

100 200

500

1000

25

0

50

75

100

125

150

REVERSE VOLTAGE. (V)

SF21G~SF24G

SF25G~SF28G

Tj=25 C

0

FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE

CURRENT

1

2

5

10

20

100

50

0

10

20

30

40

50

60

NUMBER OF CYCLES AT 60Hz

8.3ms Single Half Sine Wave

JEDEC Method

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

0.01

0.1

1

10

100

FORWARD VOLTAGE. (V)

Tj=25 C

Pulse Width=300 s

1% Duty Cycle

o

SF21G~SF24G

SF25G~SF26G

SF27G~SF28G

0

0