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Document Number 81243

Rev. 1.4, 09-Feb-10

Vishay Semiconductors

VLMW21..

Figure 3. Forward Current vs. Forward Voltage

Figure 4. Relative Intensity vs. Wavelength

Figure 5. Rel. Luminous Intensity vs. Ambient Temperature

100

1

10

2.0

2.5

3.0

3.5

4.0

4.5

20017_1

0

20

40

60

80

100

400

500

600

700

800

λ - Wavelength (nm)

16196_1

0.0

0.4

0.8

1.2

1.6

2.0

16197_1

020

40

60

80

100

Figure 6. Chromaticity Coordinate Shift vs. Forward Current

Figure 7. Forward Voltage vs. Ambient Temperature

Figure 8. Rel. Luminous Intensity vs. Angular Displacement

19415

0.310

0.315

0.320

0.325

0.330

0.335

0.340

0.345

0.350

6

8

10

12

14

16

18

20

X

Y

Linear (Y)

Linear (X)

2.5

2.6

2.7

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

- 40

- 20

0

20

40

60

80

100

20042

0.4

0.2

0

95 10319_1

0.6

0.9

0.8

0°

30°

10°

20°

40°

50°

60°

70°

80°

0.7

1.0