2 of 2

100021B

QED121/122/123

PLASTIC INFRARED LIGHT EMITTING DIODE

Normalized to:

Pulse Width = 100 µs

10

1

110

Fig. 1 Normalized Radiant Intensity vs. Input Current

100

1000

0.1

0.01

0.001

LENS TIP SEPERATION (INCHES)

Fig. 2 Coupling Characteristics of QED12X and QSD12X

01

1

0.8

0.6

0.4

0.2

0

23456

Normalized to:

Pulse Width = 100 µs

Duty Cycle = 0.1%

2.5

2

1.5

1

0.5

-30

-40

-20

-10

0

10

20

30

40

50

60

70

80

90

100

0

Fig. 3 Forward Voltage vs. Temperature

Pulse Width = 100 µs

Duty Cycle = 0.1%

Fig. 5 Radiation Pattern

Fig. 4 Normalized Radiant Intensity vs. Wavelength

! (nm)

775

800

825

850

875

900

925

950

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0

20406080

100

0

20

40

60

80

100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0˚

10

20

30

40

50

60

70

80

90

TYPICAL PERFORMANCE CURVES