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

Issue A 11/08

Page 5 of 6

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

Red Dom inant Wavelength vs Junction

Tem perature

622

623

623

624

624

625

625

626

626

627

627

0

25

50

75

100

125

Norm alized TLF @ 25C vs Junction

Tem perature

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

0

25

50

75

100

125

whit e

red

Forw ard Voltage vs Junction Tem perature

6

7

8

9

10

11

12

13

14

0

25

50

75

100

125

whit e

r ed

White CCT vs Junction Tem perature

6600

6700

6800

6900

7000

7100

7200

7300

7400

7500

7600

7700

0

25

50

75

100

125

Optimal IV COS Star

OV4Zxxxx Series

Derating Curve

0

100

200

300

400

500

600

700

800

0

50

100

Duty Ratio vs. Allow able Forw ard Current

T = 1 m s & variable PW

0

1000

2000

3000

4000

5000

6000

1

10

100

Duty Ratio (%)

T