Issue A.1

04/06

Page 3 of 5

OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.

OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006

Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 visibleLED@optekinc.com www.optekinc.com

Notes:

1. All ranks will be included per delivery. Rank ratio will be based on die distribution.

2. Tolerance of measurement of luminous intensity is ± 10%.

3. Tolerance of measurement of the Color Coordinates is at ± 0.015.

White Side-Emitting SMD LED

OVSR9WBCR8

CIE Chromaticity Diagram

Y

X

Rank

A1

A2

Chromaticity

Coordinates

x

0.245 0.264 0.280 0.264 0.264 0.283 0.296 0.280

y

0.229 0.267 0.248 0.220 0.267 0.305 0.276 0.248

Rank

B1

B2

Chromaticity

Coordinates

x

0.283 0.307 0.313 0.296 0.307 0.330 0.330 0.313

y

0.305 0.337 0.297 0.276 0.337 0.360 0.318 0.297

Rank

C

Chromaticity

Coordinates

x

0.330 0.361 0.356 0.330

y

0.360 0.385 0.351 0.318

Chromaticity Coordinates (x, y)