Page 3

Rating and characteristic curves (SF31 THRU SF38)

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)

0.5

1.0

1.5

2.0

2.5

3.0

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.

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

0.375"(9.5mm) Lead Length

DERATING CURVE

25

0

50

75

100

125

NUMBER OF CYCLES AT 60Hz

1

10

5

50

100

T =25 C

J

8.3ms Single Half

Sine Wave

JEDEC method

0

0

25

50

75

100

125

150

175

AMBIENT TEMPERATURE,(°C)

PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)

FIG.5-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

FIG.3-TYPICAL FORWARD

CHARACTERISTICS

FORWARD VOLTAGE,(V)

Document ID

Issued Date

Revised Date

Revision

Page.

http://www.formosams.com/

TEL:886-2-22696661

FAX:886-2-22696141

DS-222408

2008/02/10

2012/04/05

D

6