1N4942 데이터 시트보기 (PDF) - Leshan Radio Company,Ltd

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1N4942

FAST GPP DIODES

Leshan Radio Company,Ltd 

LESHAN RADIO COMPANY, LTD.

1N4942-1N4948

GPP

RATING & CHARACTERISTIC CURVES OF FAST GPP DIODE

FIG.1–TEST CIRCUIT DIAGRAM AND

REVERSE RECOVERY TIME CHARACTERISTIC

FIG. 2 – TYPICAL FORWARD

CURRENT DERATING CURVE

50 Ω

NONINDUCTIVE

10 Ω

NONINDUCTIVE

Trr

+0.5A

1.25

Single Phase

Half Wave 60Hz

1.00

Resistive or

Inductive Load

(+)

25Vdc

(APPROX)

(-)

D.U.T.

1Ω

OSCILLOSCOPE

(-)

PULSE

G E N E R ATO R

(NOTE 2)

0

-0.25A

0.75

0.50

NON.

INDUCTIVE

(NOTE 1)

(+)

0.25

NOTES:1.Rise Time=7ns max.

Input Impedance=1megohm.22pF.

2.Rise Time=10ns max.

Source Impedance=50 ohms.

-1.0A

1cm SET TIME

BASE FOR 50/100ns/cm

0

25 50

75 100 125 150 175

AMBIENT TEMPER ATURE, (ºC)

FIG. 3 – TYPICAL REVERSE

CHARACTERISTICS

20

10

TJ =150ºC

1.0

TJ =50ºC

FIG. 4 – TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

100

10

TJ =25ºC

.1

TJ =25ºC

.01

0 20

40 60

80 100 120 140

PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)

FIG. 5 – MAXINUM NON-REPETITIVE

FOWARD SURGE CURRENT

50

8.3ms Single Half Sine-Wave

(JEDEC Method)

40

30

20

10

0

1

5

10

50

100

NUMBER OF CYCLES AT 60Hz

1.0

Pulse Width=300µs

1% Duty Cycle

0

.4

.6

.8

1.0

1.2

1.4

1.6

INSTANTANEOUS FORWARD VOLTAGE,(V)

FIG. 6 – TYPICAL JUNCTION CAPACITANCE

200

100

60

40

20

10

6

4

2

1

.1 .2 .4

TJ =25ºC

1.0 2 4

10 20 40 100

REVERSE VOLTAGE,(V)

37A–2/2

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