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4

Document Number 81213

Rev. 1.2, 30-Jul-08

Vishay Semiconductors

VLMW320.

For technical support, please contact: LED@vishay.com

Figure 3. Forward Current vs. Forward Voltage

Figure 4. Relative Intensity vs. Wavelength

Figure 5. Relative Luminous Intensity vs. Ambient Temperature

1

10

100

2.0

2.5

3.0

3.5

4.0

4.5

5.0

19035

0

10

20

30

40

50

60

70

80

90

100

400 450 500 550 600 650 700 750 800

λ - Wavelength (nm)

16196

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

16197

0 1020

30 40506070 80 90 100

Figure 6. Chromaticity Coordinate Shift vs. Forward Current

Figure 7. Forward Voltage vs. Ambient Temperature

Figure 8. Relative Luminous Intensity vs. Angular Displacement

0.315

0.320

0.325

0.330

0.335

0.340

0.345

16198

X

Y

I

060

50

40

30

20

10

white

3.45

3.50

3.55

3.60

3.65

3.70

3.75

3.80

3.85

3.90

3.95

16199

0

1020

30 40506070 80 90 100

0.4

0.2

0

95 10319

0.6

0.9

0.8

0°

30°

10°

20°

40°

50°

60°

70°

80°

0.7

1.0