- 333 -

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 (HER201G THRU HER208G)

FIG.2- MAXIMUM FORWARD

CURRENT DERATING CURVE

25

50

75

100 125 150 175

0.5

1.0

2.0

3.0

AMBIENT TEMPERATURE. ( C)

o

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

0.375" (9.5mm)

Lead Length

FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE

CURRENT

1

2

5

10

20

100

50

10

0

20

30

50

40

60

NUMBER OF CYCLES AT 60Hz

8.3ms Single Half Sine Wave

JEDEC Method

FIG.3- TYPICAL REVERSE CHARACTERISTICS

0

20

40

60

80

100

120

0.1

1

10

100

1000

PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)

Tj=25 C

0

Tj=125 C

0

FIG.4- TYPICAL FORWARD CHARACTERISTICS

0.2

0.4

0.6

0.8

1.0

1.2

1.4

100

10

1

0.1

0.01

FORWARD VOLTAGE. (V)

Tj=25 C

0

HER201G~HER204G

HER205G

FIG.6- TYPICAL JUNCTION CAPACITANCE

0.1

0.5

1

5

2

10

20

50

100 200

500

25

0

50

75

100

125

150

175

REVERSE VOLTAGE. (V)

Tj=25 C

0

HE

R20

1G

~H

ER

205

G

HER206G~HER208G

70

800

0

0

140

Tj=75 C

0