AMBIENT TEMPERATURE, (

25

5

0

0

4

3

2

1

75

50

175

100

125

150

RATING AND CHARACTERISTICS CURVES ( SF51 THRU SF57 )

FIG.2 TYPICAL FORWARD CURRENT

FIG.2 TYPICAL FORWARD CURRENT

DERATING CURVE

DERATING CURVE

FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC

FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC

PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)

0

1.0

0.1

1000

10000

10

60

20

40

80

100

120

140

FIG.3 TYPICAL REVERSE

FIG.3 TYPICAL REVERSE

CHARACTERISTICS

CHARACTERISTICS

trr

+0.5A

50

NONINDUCTIVE

10

NONINDUCTIVE

0

-0.25A

-1.0A

1cm

SET TIME BASE FOR 15/1ns/cm

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

1 megohm. 22pF.

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

50 ohms.

D.U.T

25 Vdc

(approx)

( - )

( - )

( + )

( + )

1

NON-

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

PULSE

GENERATOR

(NOTE 2)

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

TA = 25

TA = 150