FR251 datasheet(2/2 Pages) DGNJDZ

Part #	FR251

Description	2.5 AMP FAST RECOVERY RECTIFIERS

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Manufacturer	DGNJDZ [Nanjing International Group Co]

Direct Link	http://www.dgnjdz.com/

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0.1

1.0

.01

10

50

RATING AND CHARACTERISTIC CURVES (FR2

51 THRU FR257)

CHARACTERISTICS

FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE

FIG.5-TYPICAL JUNCTION CAPACITANCE

REVERSE VOLTAGE,(V)

FORWARD VOLTAGE,(V)

Pulse Width 300us

1% Duty Cycle

0.5

1.0

1.5

2.0

2.5

3.0

140

120

100

80

60

40

20

0

(+)

25Vdc

(approx.)

( )

PULSE

GENERATOR

(NOTE 2)

OSCILLISCOPE

(NOTE 1)

1

NON-

INDUCTIVE

Ω

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

2. Rise Time= 10ns max., Source Impedance= 50 ohms.

+0.5A

0

-0.25A

-1.0A

|

1cm

SET TIME BASE FOR

50 / 10ns / cm

trr

.01

.05

.1

.5

1

5

10

50

100

D.U.T.

.6

.8

1.0 1.2 1.4 1.6 1.8 2.0

3.0

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

0.375"(9.5mm) Lead Length

FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTICS

10

NONINDUCTIVE

50

NONINDUCTIVE

Ω

Tj=25 C

FIG.4-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

2

5

0

50

75

100

1

25

NUMBER OF CYCLES AT 60Hz

1

10

5

50

100

Tj=25 C

8.3ms Single Half

Sine Wave

JEDEC method

0

20

40

60

80

100

120

140

160

180

200

0

AMBIENT TEMPERATURE,( C)

FIG.1-TYPICAL FORWARD

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