SF31G 查看數據表（PDF） - Unspecified

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SF31G

3.0 AMPS. Ultra Fast Recovery Rectifiers

Unspecified 

RATINGS AND CHARACTERISTIC CURVES (SF31G THRU SF38G)

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

50W

NONINDUCTIVE

10W

NONINDUCTIVE

(+)

50Vdc

(approx)

(-)

DUT

1W

NON

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

(-)

PULSE

GENERATOR

(NOTE 2)

(+)

trr

+0.5A

0

-0.25A

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

1 megohm 22pf

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

50 ohms

-1.0A

1cm

SET TIME BASE FOR

5/ 10ns/ cm

FIG.2- MAXIMUM AVERAGE

FORWARD CURRENT DERATING

3.0

2.5

2.0

1.5 Single Phase

Half Wave 60Hz

1.0 Resistive or

Inductive Load

0.5 0.375" (9.5mm)

Lead Length

0

0 25 50 75 100 125 150 175

AMBIENT TEMPERATURE. (oC)

FIG.3- TYPICAL REVERSE CHARACTERISTICS

1000

FIG.4- TYPICAL FORWARD CHARACTERISTICS

100

100

Tj=1250C

10

Tj=750C

1

0.1

Tj=250C

0.01

0

20

40

60

80 100 120 140

PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)

FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE

CURRENT

175

150

125

8.3ms Single Half Sine Wave

JEDEC Method

100

75

50

25

1

2

5

10

20

NUMBER OF CYCLES AT 60Hz

50

100

10

1

SF37G~SF38G

0.1

Tj=25oC

Pulse Width=300 s

1% Duty Cycle

0.01

0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8

FORWARD VOLTAGE. (V)

FIG.6- TYPICAL JUNCTION CAPACITANCE

140

120

100

80

60

40

20

0

0.1

Tj=250C

SF35SGF~3S1FG3~8SGF34G

0.5 1 2

5 10 20 50 100 200 500 1000

REVERSE VOLTAGE. (V)

- 245 -

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