1N4946 datasheet(2/2 Pages) RECTRON

No de pièce	1N4946

Description	FAST RECOVERY RECTIFIER

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Fabricant	RECTRON [Rectron Semiconductor]

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RECTRON

RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 )

FIG. 3 - TYPICAL JUNCTION CAPACITANCE

REVERSE VOLTAGE, ( V )

200

100

60

40

20

10

6

4

2

1

.1

.2

.4

1.0

2

4

10

20 40

100

TJ = 25

FIG. 1 - TYPICAL FORWARD CURRENT

AMBIENT TEMPERATURE, (

)

DERATING CURVE

1.0

.8

.6

.4

.2

0

25

50

75

100

125

150

175

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD

NUMBER OF CYCLES AT 60Hz

SURGE CURRENT

1

2

0

4

6 8 10

20

40 60 80 100

50

40

30

20

10

0

8.3ms Single Half Sine-Wave

(JEDED Method)

FIG. 2 - TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

INSTANTANEOUS FORWARD VOLTAGE, (V)

TJ = 25

Pulse Width=300uS

1% Duty Cycle

.4

.6

.8

1.0

1.2

1.4

1.6

10

1.0

.1

.01

FIG. 4 - TYPICAL REVERSE CHARACTERISTICS

PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)

TJ = 25

TJ = 75

TJ = 125

20

10

1.0

.1

.01

0

20

40

60

80

100 120 140

trr

+0.5A

0

-0.25A

-1.0A

1cm

SET TIME BASE FOR

50/100 ns/cm

FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY

50

NONINDUCTIVE

10

NONINDUCTIVE

D.U.T

25 Vdc

(approx)

( - )

( + )

1

NON-

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

PULSE

GENERATOR

(NOTE 2)

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

1 megohm. 22pF.

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

50 ohms.

TIME CHARACTERISTIC

Numéro de pièce similaire - 1N4946

Fabricant	No de pièce	Fiches technique	Description
Pan Jit International I...	1N4946	55Kb / 2P	FAST SWITCHING PLASTIC RECTIFIER(VOLTAGE - 200 to 1000 Volts CURRENT - 1.0 Ampere)
Nanjing International G...	1N4946	219Kb / 2P	1.0 AMP FAST RECOVERY RECTIFIERS
Galaxy Semi-Conductor H...	1N4946	71Kb / 2P	FAST RECOVERY RECTIFIER
New Jersey Semi-Conduct...	1N4946	110Kb / 1P	DO-41
Transys Electronics	1N4946	162Kb / 3P	FAST SWITCHING PLASTIC RECTIFIER

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Fabricant	No de pièce	Fiches technique	Description
Diotech Company.	FR301	679Kb / 2P	FAST RECOVERY RECTIFIER
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EIC discrete Semiconduc...	RGP15A	115Kb / 2P	FAST RECOVERY RECTIFIER
Microsemi Corporation	1N3879	119Kb / 2P	Fast Recovery Rectifier
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TRANSYS Electronics Lim...	16FL5S02	170Kb / 1P	Fast Recovery Rectifier
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