FAST RECOVER RECTIFIER

VOLTAGE RANGE

50 to 1000 Volts

FR251 THRU FR257

CURRENT

2 .5Ampere

E-mail: sales@cnmic.com

Web Site: www.cnmic.com

3.0

CHARACTERISTICS

FIG.4-TYPICAL REVERSE

DERATING CURVE

FIG.1-TYPICAL FORWARD CURRENT

150

175

125

75

100

2.0

50

1.0

0

0

Single Phase

Inductive Load

Half Wave 60Hz

Resistive or

25

AMBIENT TEMPERATURE, (

° C)

100

100

10

FIG.5-TYPICAL JUNCTION CAPACITANCE

10

1.0

0.1

1

REVERSE VOLTAGE,(V)

TJ=25

° C F=1MHz

0.375"(9.5mm)Lead Length

Vsig=50mVp-p

RATING AND CHRACTERISTIC CURVES FR251 THRU FR257

0.01

j

T =25

° C

120

140

PERCENT OF RATED PEAK

REVERSE VOLTAGE,(%)

0

20

0.1

1.0

100

60

40

80

10

T =100

° C

j

FIG.6-TEST CIRCUIT DIAGRAM AND

REVERSE REXOVERY TIME CHARACTERISTIC

NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF

2.Rise time=10ns max.Source Impedance=50 ohms

SET TIME BASE FOR

50 /100NS /cm

-1.0A

0.25A

0

+0.5A

OSCILLOSCOPE

(NOTE 1)

PULSE

GENERATIOR

(NOTE 2)

(-)

1Ω

NON

INDUCTIVE

10Ω

NONINDUCTIVE

50Ω

NONINDUCTIVE

D.U.T

(-)

（approx）

25 Vdc

(+)

20

1.8

1.6

1.4

INSTANTANEOUS FORWARD VOLTAGE,(V)

0.01

0.1

1.0

Pulse Width=300us

1% Duty Cycle

0.4

0.6

0.8

1.0

Tj =25

° C

1.2

FORWARD CHARACTERISTICS

FIG.3-TYPICAL INSTANTANEOUS

10

80

4

6

40

FORWARD SURGE CURRENT

NUMBER OF CYCLES AT 60 Hz

10

1

20

60

100

28

10

20

60

100

FIG.2-MAXIMUM NON-REPETITIVE PEAK

200

80

40

8.3ms Single Half Sine-Wave

(JEDEC Method) Tj=Tjmax

60

80

40

20

8

6

4

2