US1A データシートの表示（PDF） - Frontier Electronics.

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US1A

1A SURFACE MOUNT ULTRA FAST RECOVERY RECTIFIERS

Frontier Electronics. 

RATINGS AND CHARACTERISTIC CURVE US1A THRU US1M

FIG. 1-TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTIC

50Ω

NO INDUCTIVE

10Ω

NO INDUCTIVE

(+)

25 Vdc

(Approx)

(-)

D.U.T.

1Ω

NON

INDUCTIVE

(-) +0.5A

PULSE

GENERATOR

(NOTE 2)

OSCILLOSCOPE (+)

(NOTE 1)

0

-0.25A

NOTE: 1. RISE TIME=7ns MAX. INPUT

IMPEDANCE=1 MOhms 22PF

2. RISE TIME =10ns MAX. SOURCE

IMPEDANCE=50 OHMS

-1.0A

Trr

1cm

SET TIME BASE

FOR 10/20 ns/cm

FIG. 2-TYPICAL FORWARD

CURRENT DERATING CURVE

2.0 Single Phase Half Wave

60 Hz Resistive or Inductive Load

1.0

P.C.B MOUNTED ON

0.3×0.3”(8.0×8.0mm)

COPPER PAD

0

25 50 75 100 125 150 175

LEAD TEMPERATURE (oC)

FIG. 3-TYPICAL REVERSE CHARACTERISTICS

1000

FIG. 4-TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

100

100

10

US1A~US1D

10

TJ=100oC

TJ=80oC

1

TJ=25oC

0.1

20 40 60 80 100 120 140

PERCENT OF RATED PEAK REVERSE VOLTAGE (%)

US1G

1

.1

US1J~US1M

.01

.2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0

INSTANTANEOUS FORWARD VOLTAGE (V)

FIG. 5-MAXIMUM NON-REPETITIVE

FORWARD SURGE CURRENT

50

8.3 ms Single Half Sine Wave

40

(JEDEC Method)

30

20

10

0

0

1 2 4 6 10 20 40 60 100

NUMBER OF CYCLES AT 60 Hz

FIG. 6-TYPICAL JUNCTION CAPACITANCE

200

TJ=25oC

100

US1A~US1G

40

20

10

6

US1J~US1M

4

2

1

.1 .2 .4 1.0 2 4 10 20 40 100

REVERSE VOLTAGE (V)

US1A THRU US1M

Page: 2

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