SF55 View Datasheet(PDF) - CHENG-YI ELECTRONIC CO., LTD.

Part Name

Description

Manufacturer

SF55

SUPER FAST RECTIFIER

CHENG-YI ELECTRONIC CO., LTD. 

SF51 thru SF56

SUPER FAST RECTIFIER

RATING AND CHARACTERISTICS CURVES

SF51 THRU SF56

CHENG- YI

ELECTRONIC

Fig.1 - TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTIC

50

NONINDUCTIVE

10

NONINDUCTIVE

trr

+0.5A

(+)

D.U.T.

25 Vdc

(approx.)

1

(-)

NON-

INDUCTIVE

(-)

PULSE

GENERATOR

(NOTE 2)

0

-0.25

OSCILLOSCOPE

(NOTE 1)

(+)

-1.0A

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

1 megohm, 22pF.

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

50 ohms.

1cm

SET TIME BASE

FOR 10 /20 ns/cm

Fig. 2 - TYPICAL FORWARD

CURRENT DERATING CURVE

6.0

SINGLE PHASE

HALF WAVE

5.0

60Hz

4.0

RESISTIVE OR

INOUCTIVE LOAD

3.0

2.0

1.0

0

0 25 50 75 100 125 150 175

AMBIENT TEMPERATURE, 0C

Fig.3 - TYPICAL REVERSE

CHARACTERISTICS

1000

Fig. 4 - TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

100

100

TJ=150C0

10

TJ=100C0

1.0

TJ=25C0

0.1

.01

20 40 60 80 100 120 140

PERCENT OF RATED PEAK

REVERSE VOLTAGE, (%)

10.0

TJ = 250C

1.0

.1

Pulse Width-300 s

1% DUTY CYCLE

.01

.2 .4 .6 .8 1.0 1.2 1.4

INSTANTANEOUS FORWARD VOLTAGE, VOLTS

Fig.5 -MAXIMUM NON-REPETITIVE

FORWARD SURGE CURRENT

175

150

8.3ms Single Half Sine Wave

JEDEC Method

125

100

75

50

25

0

1

2

5

10

20

50 100

NUMBER OF CYCLES AT 60 Hz

Fig.6 - TYPICAL JUNCTION CAPACITANCE

200

100

60

40

SF51~SF54

20

10

TJ = 250C

SF55~SF56

6

4

2

1

.1 .2 .4

1.0 2 4 10 20 40 100

REVERSE VOLTAGE, (V)

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