QTLP321C-R datasheet(2/3 Pages) FAIRCHILD

2 / 3 page

WAVELENGTH - nm

Fig. 3 Relative Intensity vs Peak Wavelength

1.0

0.5

550

600

650

700

0.5

90 80 70 60 50 40 30 20 10

10 20 30 40 50 60 70 80 90

ANGLE FROM OPTICAL CENTERLINE (DEGREES)

Fig. 4 Rel. Luminous Intensity

vs. Angular Displacement

1.5

1.7

1.9

2.1

2.3

2.5

2.7

2.9

3.1

FORWARD VOLTAGE (V)

Fig. 1 Forward Current vs. Forward Voltage

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

10203040506070

FORWARD CURRENT(mA)

Fig. 2 Relative Luminous Flux vs. Forward Current

RED

YELLOW

ORANGE

YELLOW

ORANGE

RED

ORANGE

YELLOW

TYPICAL PERFORMANCE CURVES

4 - PIN POWER LED

2 of 3

1/4/00

300018A

RED

QTLP321C-R

ORANGE

QTLP321C-E

YELLOW

QTLP321C-Y

Part Number

QTLP321C-R

QTLP321C-E

QTLP321C-Y

Condition

Luminous Flux (mlm)

IF = 70 mA

Minimum

500

Typical

1300

Forward Voltage VF (V)

IF = 20 / 70 mA

Maximum

2.4 / 2.8

Typical

2.0 / 2.2

Wavelength (nm)

IF = 70 mA

Peak

640

620

590

Dominant

630

615

589

Spectral Line Half Width (nm)

IF = 70 mA

Viewing Angle (°)50

IF = 70 mA

ELECTRICAL / OPTICAL CHARACTERISTICS (TA =25°C)

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