25

1.6

2.0

0

1.2

0.8

0.4

0

75

50

175

100

125

150

RATING AND CHARACTERISTICS CURVES ( HDB208LS )

FIG.2 TYPICAL FORWARD CURRENT

FIG.2 TYPICAL FORWARD CURRENT

DERATING CURVE

DERATING CURVE

FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC

FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC

PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)

0

0.1

10

1.0

1000

100

60

20

40

80

100

120

140

FIG.3 TYPICAL REVERSE

FIG.3 TYPICAL REVERSE

CHARACTERISTICS

CHARACTERISTICS

trr

+0.5A

50 Ω

NONINDUCTIVE

10 Ω

NONINDUCTIVE

0

-0.25A

-1.0A

1cm

SET TIME BASE FOR 30/1 ns/cm

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

1 megohm. 22pF.

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

50 ohms.

D.U.T

25 Vdc

(approx)

( - )

( - )

( + )

( + )

1

NON-

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

PULSE

GENERATOR

(NOTE 2)

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load