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

50

W

NONINDUCTIVE

1W

NON

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

PULSE

GENERATOR

(NOTE 2)

DUT

(+)

50Vdc

(approx)

(-)

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

1 megohm 22pf

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

50 ohms

(-)

(+)

10

W

NONINDUCTIVE

-1.0A

-0.25A

0

+0.5A

trr

1cm

SET TIME BASE FOR

5/ 10ns/ cm

RATINGS AND CHARACTERISTIC CURVES (HER3001PT THRU HER3008PT)

FIG.4- MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT PER LEG

0

20

5

10

20

100

50

150

100

50

0

250

300

200

NUMBER OF CYCLES AT 60Hz

8.3ms Single Half Sine Wave

PER LEG. (JEDEC Method)

Tj=Tj max.

FIG.3- TYPICAL REVERSE CHARACTERISTICS

PER LEG

0

20

40

60

80

100

120

140

0.1

1

10

100

1000

PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)

Tj=25 C

0

Tj=125 C

0

FIG.2- MAXIMUM FORWARD CURRENT DERATING

CURVE

0

50

100

150

0

6

12

24

30

36

CASE TEMPERATURE. ( C)

o

FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG

0.1

1

10

100

10

100

1000

REVERSE VOLTAGE. (V)

Tj=25 C

f=1.0 MHz

Vsig=50mVp-p

0

50-400V

600-1000V

1.6

0.4

0.2

0.6

0.8

1.0

1.2

1.4

1

40

10

0.1

FIG.6- TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS PER LEG

INSTANTANEOUS FORWARD VOLTAGE,

VOLTS

Pulse Width=300 s

1% Duty Cycle

Tj=25 C

o

50-300V

400V

600-1000V

Tj=125 C

o