LL4148 / LL4448

RATINGS AND CHARACTERISTIC CURVES

FIG. 1-ADMISSIBLE POWER DISSIPATION

VERSUS AMBIENT TEMPERATURE

FIG. 2-REVERSE CURRENT VERSUS CONTINUOUS

REVERSE VOLTAGE (TYPICAL VALUES)

800

700

600

500

400

300

200

100

0

0

100

200℃

1

0.1

0.01

0.001

0.0001

40

60

80

100

120

TJ=25 C

AMBIENT TEMPERATURE,℃

PERCENT OF PEAK REVERSE VOLTAGE,%

FIG. 3-FORWARD CHARACTERISTICS

FIG. 4-RELATIVE CAPACTANCE VERSUS

REVERSE VOLTAGE

0

1

2V

1.2

1.0

0.8

0.6

0.4

0

5

10V

16

14

12

10

8

6

4

2

0

INSTANTANEOUS FORWARD VOLEAGE,

V0LTS

REVERSE VOLTAGE,VOLTS.

FIG. 5-ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION

100

10

1

0.1

0.01

1

1000ms

100

10

0.1

V=tp/T T=1/fp

tp

T

n=tp/T

tp,PULSE DURATION,ms

n=0

0.1

0.2

0.5