Document Number 81330

Rev. 1.1, 06-Sep-07

www.vishay.com

3

Vishay Semiconductors

VLMF31..

TYPICAL CHARACTERISTICS

Figure 1. Forward Current vs. Ambient Temperature

Figure 2. Forward Current vs. Pulse Length

Figure 3. Rel. Luminous Intensity vs. Angular Displacement

0

5

10

15

20

25

30

35

40

0

1020

3040

5060

70

80

90 100

T

16615

10.00

100.00

1000.00

0.01

0.10

1.00

10.00

100.00

16620

0.02

0.05

0.1

0.2

0.5

1

0.4

0.2

0

0.2

0.4

0.6

95 10319

0.6

0.9

0.8

0°

30°

10°

20°

40°

50°

60°

70°

80°

0.7

1.0

Figure 4. Relative Intensity vs. Wavelength

Figure 5. Forward Current vs. Forward Voltage

Figure 6. Relative Luminous Intensity vs. Forward Current

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

560 570 580 590 600 610 620 630 640 650 660

λ - Wavelength (nm)

95 10885

soft orange

1

10

100

1.0

1.5

2.0

2.5

3.0

V

95 10878

0.01

0.1

1

10

1

10

100

19109

orange