Document Number 81213

Rev. 1.2, 30-Jul-08

www.vishay.com

3

Vishay Semiconductors

VLMW320.

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

Note:

Chromaticity coordinate groups are tested at a current pulse direction of 25 ms and a tolerance of ± 0.01.

TYPICAL CHARACTERISTICS

CHROMATICITY COORDINATED GROUPS FOR WHITE SMD LED

X

Y

X

Y

5L

0.291

0.268

7L

0.330

0.330

0.285

0.279

0.330

0.347

0.307

0.312

0.347

0.371

0.310

0.297

0.345

0.352

5K

0.296

0.259

7K

0.330

0.310

0.291

0.268

0.330

0.330

0.310

0.297

0.338

0.342

0.313

0.284

0.352

0.344

6L

0.310

0.297

8L

0.345

0.352

0.307

0.312

0.347

0.371

0.330

0.347

0.367

0.401

0.330

0.330

0.364

0.380

6K

0.313

0.284

8K

0.352

0.344

0.310

0.297

0.338

0.342

0.330

0.330

0.364

0.380

0.330

0.310

0.360

0.357

Figure 1. Forward Current vs. Ambient Temperature

0

5

10

15

20

25

30

35

40

0

1020 3040 5060 70 80 90 100

19034_1

Figure 2. Relative Luminous Intensity vs. Forward Current

0.01

0.1

1

10

1

10

100

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