9

Figure 11. Forward Current vs. Forward Voltage.

Figure 9. Maximum Tolerable Peak Current vs.

Pulse Duration – Green.

Figure 10. Maximum Allowable DC Current vs. Ambient

Temperature.

Figure 12. Relative Luminous Intensity vs. DC

Forward Current.

Figure 13. Relative Efficiency (Luminous Inten-

sity per Unit Current) vs. Peak Current.

1

0

90

70

60

30

10

35

80

50

20

24

40

HER SERIES,

ORANGE

SERIES

GREEN SERIES

YELLOW SERIES

0

0

IF – DC FORWARD CURRENT – mA

4.0

3.0

2.5

1.5

0.5

20

40

3.5

2.0

1.0

10

30

515

25

35

HER, YELLOW,

GREEN

0

0.6

PER SEGMENT – mA

90

20

70 80

100

1.6

1.4

1.3

1.1

0.9

0.8

60

50

40

30

10

HER SERIES,

ORANGE SERIES

GREEN SERIES

0.7

1.0

1.2

1.5

YELLOW SERIES

HER, Yellow, Green

Figure 7. Maximum Tolerable Peak Current vs. Pulse Duration – HER

Figure 8. Maximum Tolerable Peak Current vs. Pulse Duration – Yel-

low.