Fairchild Semiconductor QTLP321C-W Datasheet
4 - PIN POWER LED
1 of 3 12/29/99 300015A
Parameter Symbol Rating Unit
Operating Temperature T
OPR
-25 to +80 °C
Storage Temperature T
STG
-30 to +100 °C
Lead Soldering Time T
SOL
260 for 5 sec °C
Continuous Forward Current I
F
20 mA
Peak Forward Current
I
F
100 mA
(f = 100 Hz, Duty Factor = 1/10)
Reverse Voltage V
R
5V
Power Dissipation P
D
120 mW
ABSOLUTE MAXIMUM RATINGS
(TA= 25°C unless otherwise specified)
0.320 (8.12)
0.280 (7.12)
0.320 (8.12)
0.280 (7.12)
0.118 (3.00)
0.079 (2.00)
R0.035 (0.90)
R0.020 (0.50)
0.181 (4.60)
0.166 (4.20)
0.303 (7.70)
0.287 (7.50)
0.020 (0.50)
0.033 (0.85)
0.026 (0.65)
5°
0.024 (0.60)
0.008 (0.20)
TYP.
0.212 (5.38)
0.188 (4.78)
0.075 (1.90)
0.069 (1.75)
0.053 (1.35)
C - CATHODE
A - ANODE
CC
AA
C. 0.050 (1.25)
Ø 0.126 (3.20 )
Ø 0.110 (2.80)
PACKAGE DIMENSIONS
WHITE QTLP321C-W
NOTES:
1. Dimensions for all drawings are in inches (mm).
2. Lead spacing is measured where the leads emerge from
the package.
3. Protruded resin under the flange is 0.059" (1.5 mm) max.
4. All tolerances are ±0.10” (0.25 mm) unless otherwise
specified.
APPLICATIONS
• Exterior automotive lighting
• Area displays
• Backlighting
• Message panels
FEATURES
• InGaN (Indium Gallium Nitride) technology
• Fluorescent light emission
• Reduced thermal resistance
• Tube packaging
DESCRIPTION
This low profile, 4-pin LED provides a more uniform and
evenly distributed illumination than existing LED designs. Its
unique optical package enables designers to utilize fewer LEDs
while achieving superior lighting performance.
TYPICAL PERFORMANCE CURVES
2 of 3 12/29/99 300015A
4 - PIN POWER LED
WHITE QTLP321C-W
Part Number QTLP321C-W Condition
Flux - !V (mlm)
I
F
= 20 mA
Minimum 250
Typical 500
Chromatic Coordinates - Typical X = 0.32, Y = 0.32
I
F
= 20 mA
Peak Wavelength (nm) 550 IF= 20 mA
Forward Voltage VF(V): IF= 20 mA
Typical 3.5
Maximum 4.0
Viewing Angle (°) 50 IF= 20 mA
ELECTRICAL / OPTICAL CHARACTERISTICS
(TA
=25°C)
60
50
40
30
20
10
0
FORWARD CURRENT (mA)
0
12345
Fig. 1 Forward Voltage vs. Forward Current
1
0.5
RELATIVE INTENSITY
0
300
400 500 600 700 800 90 80 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90
Fig. 3 Relative Intensity vs. Wavelength
FORWARD V OLTAGE (V)
WAVELENGTH (nm)
40
30
20
10
0
FORWARD CURRENT (mA)
0255075100
TA - TEMPERATURE (˚C)
Fig. 2 Forward Current vs. Ambient Temperature
1
0.5
REL. LUMINOUS INTENSITY
0
ANGLE FROM OPTICAL CENTERLINE (DEGREES)
Fig. 4 Rel. Luminous Intensity
vs. Angular Displacement
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