SF31 查看數據表（PDF） - Shenzhen Luguang Electronic Technology Co., Ltd

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SF31

3.0 AMPS. Super Fast Rectifiers

Shenzhen Luguang Electronic Technology Co., Ltd 

SF31 - SF38

3.0 AMPS. Super Fast Rectifiers

RATINGS AND CHARACTERISTIC CURVES (SF31 THRU SF38)

FIG.1- MAXIMUM AVERAGE FORWARD CURRENT

DERATING

3.0

FIG.2- TYPICAL REVERSE CHARACTERISTICS

1000

2.5

2.0

100

1.5

Single Phase

1.0

Half Wave 60Hz

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- MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

175

150

8.3ms Single Half Sine Wave

125

JEDEC Method

100

Tj=1000C

10

1

Tj=250C

0.1

0

20

40

60

80 100 120 140

PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)

75

50

FIG.5- TYPICAL FORWARD CHARACTERISTICS

25

100

0

1

2

5

10

20

NUMBER OF CYCLES AT 60Hz

50

100

FIG.4- TYPICAL JUNCTION CAPACITANCE

180

160

140

120

10

1

SF35S~FS3F73~6SF38

100

80

60

40

0.1

SF31~SF34

SF35~SF38

0.5 1 2 5 10 20 50 100 200 500 1000

REVERSE VOLTAGE. (V)

0.1

0.01

0.2 0.4

Tj=25oC

Pulse Width=300 s

1% Duty Cycle

0.6 0.8

1.0

1.2

1.4

1.6

FORWARD VOLTAGE. (V)

FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM

50W

NONINDUCTIVE

10W

NONINDUCTIVE

(+)

50Vdc

(approx)

(-)

DUT

1W

OSCILLOSCOPE

NON

(NOTE 1)

INDUCTIVE

(-)

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

http://www.luguang.cn

mail:lge@luguang.cn

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