RATING AND CHARACTERISTICS CURVES

UF1A THRU UF1K

CHENG- YI

CHENG- YI

ELECTRONIC

Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM

50

Noninductive

1

NON-

Inductive

NOTES:1. Rise Time=7ns max.

Input Impedance=1 megohm. 22pF

2. Rise Time=10ns max.

Source Impedance=50 Ohms.

10

Noninductive

D.U.T.

OSCILLOSCOPE

NOTE 1

PULSE

GENERATOR

NOTE 2

25 Vdc

(approx)

(+)

(+)

()

()

SET TIME

BASE FOR

10ns/cm

1cm

-1.0

-0.25

0

+0.5A

trr

Fig. 2 - FORWARD CHARACTERISTICS

Fig. 4 - FORWARD CURRENT DERATING CURVE

2.0

1.0

25

50

75

100 125 150 175

o

LEAD TEMPERATURE, C

SINGLE PHASE

HALF W AVE

RESISTIVE OR

INDUCTIVE LOAD

P.C.B MOUNTED

ON 0.315x0.315"(8.0x8.0mm)

COPPER PAD AREAS

0

.2

.4

.6

.8

1.0

1.2 1.4

10

1.0

0.1

.01

0

T =25 C

J

TYPICAL

US1A

US1G

US1K

30

25

20

15

10

5

8.3ms SINGLE HALF SINCE-WAVE

JEDEC METHOD

1

2

5

10

20

50

100

Fig. 5 - PEAK FORWARD SURGE CURRENT

NUMBER OF CYCLES AT 60Hz

100

10

1

0.1

1

10

100

Fig. 3 - TYPICAL JUNCTION CAPACITANCE

REVERSE VOLTAGE, VOLTS

0

f=1.0MHz

Vsig=50mVp-p

SURFACE MOUNT ULTRAFAST

RECTIFIER

SURFACE MOUNT ULTRAFAST

RECTIFIER

UF1A thru UF1K