FR256 View Datasheet(PDF) - Galaxy Semi-Conductor

Part Name

Description

View to exact match

FR256

FAST RECOVERY RECTIFIERS

Galaxy Semi-Conductor 

RATINGS AND CHARACTERISTIC CURVES

FIG.1 -- TYPICAL FORWARD DERATING CURVE

FR251---FR257

FIG.2-- FORWARD SURGE CURRENT

2.5

2.0

1.5

1.0

Single Phase

0.5

Half Wave 60HZ

Resistive or

Inductive Load

0

0

2 5 50

75 100 125 150 175

150

125

100

75

50

25

0

12

TJ=125

8.3ms Single Half

Sine-Wave

4 6 8 10 20

40 60 1 0 0

AMBIENT TEMPERATURE,

FIG.3--TYPICAL JUNCTION CAPACITANCE

NUMBER OF CYCLES AT 60 Hz

FIG.4 --TYPICAL FORWARD CHARACTERISTIC

100

60

40

20

10

4

TJ=25

f=1MHz

2

1

.1 .2 .4

1.0 2 4

10 20 40

100

100

10

TJ=25

Pulse Width=300µS

4

2

1.0

0.4

0.2

0.1

0.06

0.04

0.02

0.01

0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

REVERSE VOLTAGE,VOLTS

INSTANTANEOUS FORWARD VOLTAGE,VOLTS

FIG.5 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM

50

10

N.1.

N.1.

trr

+0.5A

(+)

50VDC

(APPROX)

(-)

D.U.T.

1

N.1.

OSCILLOSCOPE

(NOTE 1)

(-)

PULSE

GENERATOR

(NOTE2)

(+)

0

-0.25A

-1.0A

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

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

SETTIMEBASEFOR50/100 ns /cm

Document Number 1561105

BLGALAXY ELECTRICAL

1cm

www.galaxycn.com

2.

Share Link: