WEITRON

http://www.weitron.com.tw

SFM11MH thru

SFM18MH

3/3

05-Dec-08

.4

.6

.8

1.0 1.2 1.4

.001

.01

.1

1.0

10

Rating and characteristic curves (SFM11MH THRU SFM18MH)

FIG.1-TYPICAL FORWARD CHARACTERISTICS

FIG.5-TYPICAL JUNCTION CAPACITANCE

FORWARD VOLTAGE,(V)

Pulse Width 300us

1% Duty Cycle

(+)

(+)

25Vdc

(approx.)

( )

( )

PULSE

GENERATOR

(NOTE 2)

OSCILLISCOPE

(NOTE 1)

1

NON-

INDUCTIVE

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

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1cm

SET TIME BASE FOR

50 / 10ns / cm

trr

D.U.T.

FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTICS

10

NONINDUCTIVE

50

NONINDUCTIVE

T =25 C

J

FIG.2-TYPICAL FORWARD CURRENT

0.2

0.4

0.6

0.8

1.0

1.2

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

DERATING CURVE

AMBIENT TEMPERATURE ( C)

1.6 1.8

REVERSE VOLTAGE,(V)

70

60

50

40

30

20

10

0

.01

.05

.1

.5

1

5

10

50

100

0

25

50

75

100

125

150

175

0

FIG.4-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

5

0

10

15

20

25

NUMBER OF CYCLES AT 60Hz

1

10

5

50

100

T =25 C

J

8.3ms Single Half

Sine Wave

JEDEC method