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4 - PIN POWER LED
PACKAGE DIMENSIONS
0.320 (8.12) 0.280 (7.12)
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QTLP321C-W
C. 0.050 (1.25)
C
C 0.320 (8.12) 0.280 (7.12) C - CATHODE A - ANODE
FEATURES
* InGaN (Indium Gallium Nitride) technology * Fluorescent light emission
R0.035 (0.90) R0.020 (0.50)
A O 0.126 (3.20 ) O 0.110 (2.80)
A
* Reduced thermal resistance * Tube packaging
5 0.075 (1.90) 0.118 (3.00) 0.079 (2.00) 0.181 (4.60) 0.166 (4.20)
0.303 (7.70) 0.287 (7.50)
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.
0.020 (0.50) 0.212 (5.38) 0.188 (4.78) 0.069 (1.75) 0.053 (1.35) 0.033 (0.85) 0.026 (0.65)
0.024 (0.60) 0.008 (0.20) TYP.
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
ABSOLUTE MAXIMUM RATINGS
Parameter Operating Temperature Storage Temperature Lead Soldering Time Continuous Forward Current Peak Forward Current (f = 100 Hz, Duty Factor = 1/10) Reverse Voltage Power Dissipation
(TA = 25C unless otherwise specified) Symbol TOPR TSTG TSOL IF IF VR PD Rating -25 to +80 -30 to +100 260 for 5 sec 20 100 5 120 Unit C C C mA mA V mW
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ELECTRICAL / OPTICAL CHARACTERISTICS
Part Number Flux - !V (mlm) Minimum Typical Chromatic Coordinates - Typical Peak Wavelength (nm) Forward Voltage VF (V): Typical Maximum Viewing Angle () 3.5 4.0 50 IF = 20 mA (TA =25C) Condition IF = 20 mA 250 500 X = 0.32, Y = 0.32 550 IF = 20 mA IF = 20 mA IF = 20 mA
QTLP321C-W
QTLP321C-W
TYPICAL PERFORMANCE CURVES
FORWARD CURRENT (mA)
60 50 40 30 20 10 0 0 1 2 3 4 5
FORWARD CURRENT (mA)
40 30 20 10 0 0 25 50 75 100
FORWARD VOLTAGE (V)
TA - TEMPERATURE (C)
Fig. 1 Forward Voltage vs. Forward Current
1
Fig. 2 Forward Current vs. Ambient Temperature
RELATIVE INTENSITY
1
REL. LUMINOUS INTENSITY
300 400 500 600 700 800
0.5
0.5
0
0 90 80 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90
WAVELENGTH (nm)
ANGLE FROM OPTICAL CENTERLINE (DEGREES)
Fig. 3 Relative Intensity vs. Wavelength
Fig. 4 Rel. Luminous Intensity vs. Angular Displacement
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DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
(c) 2000 Fairchild Semiconductor Corporation
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