FIG. 1 – FORWARD CURRENT DERATING CURVE

AMBIENT TEMPERATURE (℃)

1.0

0

25

2.0

3.0

50

75

100

125

150

175

0.5

1.5

2.5

SINGLE PHASE HALF WAVE 60Hz

RESISTIVE OR INDUCTIVE LOAD

FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT

NUMBER OF CYCLES AT 60Hz

PULSE WIDTH 8.3ms

SINGLE HALF-SINE-WAVE

(JEDEC METHOD)

1

50

25

0

75

100

2

5

10

20

50

100

FIG.4-TYPICAL FORWARD CHARACTERISTICS

INSTANTANEOUS FORWARD VOLTAGE ,VOLTS

0

1.0

10

0.1

100

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

0.2

SF21-SF24

PULSE WIDTH 300us

SF25-SF26

SF28

REVERSE VOLTAGE ,VOLTS

FIG.3 – TYPICAL JUNCTION CAPACITANCE

1

100

10

1

4

10

100

f = 1 MHz

SF25-SF28

SF21-SF24

SF21 thru SF28

SUPER FAST RECTIFIERS

REVERSE VOLTAGE - 50 to 600 Volts

FORWARD CURRENT - 2.0 Amperes

星合电子

ＸＩＮＧＨＥ　ＥＬＥＣＴＲＯＮＩＣＳ

2

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