Issue B.2 01/07

Page 8 of 10

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

Typical Electro-Optical Characteristics Curves

1.0

0.8

0.6

0.4

0.2

0.0

780

380

430

480

530

580

630

680

730

Wavelength (nm)

Input Current = 350 mA, TJ = 25°C

Wavelength Characteristics

1.0

0.8

0.6

0.4

0.2

0.0

200

300

400

500

600

700

Wavelength (nm)

Input Current = 350 mA, TJ = 25°C

Wavelength Characteristics

% Normalized Luminosity at

Junction Temperature (°C)

0

25

50

75

100

125

OVTLO1LGAA(S)

125

100

85

70

60

45

OVTLO1LGAB(S)

107

100

95

87

75

65

OVTLO1LGAG(S)

110

100

95

85

70

65

OVTLO1LGAR(S)

135

100

90

75

65

50

OVTLO1LGAW(S)

105

100

93

82

68

60

OPTEK

Part

Number

OVTLO1LGAWD(S)

105

100

93

82

68

60

OVTLO1LGAWW(S)

105

100

93

82

68

60

Junction Temperature Characteristics

Junction Temperature °C

Junction Temperature Characteristics

-

0

20

40

60

80

100

120

140

160

2.0

1.6

1.2

1.0

0.4

0.0

1.8

1.4

0.8

0.2

0.6

1-Watt Cup Series

OVTL01LGA Series

1.0

0.8

0.6

0.4

0.2

0.0

Input Current = 350 mA, TJ = 25°C

Wavelength Characteristics

——Warm White

780

——Daylight White

Wavelength Characteristics

780

200

300

400

500

600

700

——Cool White

Input Current = 350 mA, TJ = 25°C