FAST RECOVERY RECTIFIERS

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100V-800V

3.0A

2 of 2

BY396 THRU BY399

3 .

R e v e rs e R e c o v e ry Te s t C o n d itio n s ; IF= 0 .5 A ,IR= 1 .0 A ,Irr= 0 .2 5 A .

4 .

T h e rm a l R e s is ta n c e fro m J u n c tio n to A m b ie n t a t .3 7 5 " le a d le n g th s w ith b o th le a d s to h e a t s in k .

PULSE

GENERATOR

(NOTE2)

D.U.T.

1

N.1.

50

N.1.

OSCILLOSCOPE

(NOTE 1)

(+)

50VDC

(APPROX)

(-)

10

N.1.

(-)

(+ )

-1.0A

-0.25A

0

+0.5A

1cm

SET TIMEBASEFOR50/100 ns /cm

NOTES:1.RISETIME=7ns MAX. INPUT IMPEDANCE=1M .22pF

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

2.RISETIME=10ns MAX. SOURCEIMPEDANCE=5O

0.6

0.8

1.0

1.2

1.4

1.6

0.01

0.02

0.06

0.04

0.1

0.2

0.4

1.0

2

4

10

100

1.8

2.0

Pulse Width=300

µS

0.5

1

1.5

2

2.5

50

125

175

Single Phase

Resistive or

Inductive Load

200

75

150

100

3

25

0

INSTANTANEOUS FORWARD VOLTAGE,VOLTS

AMBIENT TEMPERATURE,

FIG.3 -- FORWARD DERATING CURVE

FIG.2 --TYPICAL FORWARD CHARACTERISTIC

1

2

4

10

8

20

40

60 80 10 0

0

20

40

60

80

=125

8.3ms Single Half

Sine-Wave

100

120

140

160

.2

f=1MHz

1

.1

2

4

.4

1.0

2

40

10

20

60

100

4

10

20

40

100

FIG.4--TYPICAL JUNCTION CAPACITANCE

FIG.5--PEAK FORWARD SURGE CURRENT