NONINDUCTIVE

NON

INDUCTIVE

OSCILLOSCOPE

(NOTE1)

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

(-)

(+)

-1.0A

-0.25A

0

+0.5A

trr

1cm

SET TIME BASE FOR

5/ 10ns/ cm

NONINDUCTIVE

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

FIG.2-MAXIMUM AVERAGE

FORWARD CURRENT DERATING

25

50

75

100 125 150 175

1.0

2.0

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

0.375" (9.5mm)

Lead Length

0

0

FIG.5-MAXIMUM NON-REPETITIVE SURGE

CURRENT

1

2

5

10

20

50

100

80

60

50

40

30

20

10

0

8.3ms Single Half Sine Wave

JEDEC Method

FIG.3-TYPICAL REVERSE CHARACTERISTICS

0

20

40

60

80

100

120

PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)

Tj=25 C

0

Tj=100 C

0

FIG.4-TYPICAL FORWARD CHARACTERISTICS

.2

.4

.6

.8

1.0

1.2

1.4

10

1.0

0.1

0.01

0.001

FORWARD VOLTAGE.(V)

REVERSE VOLTAGE.(V)

HER151~HER155

HER156~HER158

1000

100

10

1.0

0.1

NUMBER OF CYCLES AT 60Hz

FIG.6-TYPICAL JUNCTION CHARACTERISTICS

.1

.5

1

2

5

10

20

50

100 200 500 800

175

150

125

100

75

50

25

0

RATING AND CHARACTERISTIC CURVES

HER151 THRU HER158