Fairchild Semiconductor QTLP650C-2, QTLP650C-3, QTLP650C-4, QTLP650C-7, QTLP650C-B Datasheet
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SURFACE MOUNT LED LAMP
STANDARD BRIGHT 1206
QTLP650C-2 / QTLP650D-2 HER
QTLP650C-4 / QTLP650D-4 Green
QTLP650C-B Blue
PACKAGE DIMENSIONS
0.133 (3.4)
0.117 (3.0)
R0.016 (0.4)
0.071 (1.8)
0.055 (1.4)
0.051 (1.3)
0.035 (0.9)
TOP
0.087 (2.2)
0.071 (1.8)
SIDE
0.024 (0.6)
POLARITY MARK
(See note 2)
0.024 (0.6)
QTLP650C-3 / QTLP650D-3 Yellow
QTLP650C-7 / QTLP650D-7 AlGaAs Red
BOTTOM
+ -
POLARITY
NOTE:
1. Dimensions for all drawings are in inches (mm).
2. Cathode for -2, -3, -4 and B. Anode for -7.
for -2, -3, -4 and -B
for -7
APPLICATIONS
• Keypad backlighting
• Push-button backlighting
• LCD backlighting
DESCRIPTION
These surface mount chip LEDs are designed to fit industry standard footprint. Low profile and wide viewing angle make these
LEDs ideal choices for backlighting applications and panel illumination.
FEATURES
• Small footprint - 3.2(L) X 1.6(W) X 1.1(H) mm
• Wide viewing angle of 140°(QTLP650C) or 160°(QTLP650D)
• Water clear (QTLP650C) or diffused (QTLP650D) optics
• Moisture-proof packaging
• Available in 0.315" (8mm) width tape on 7" (178mm) diameter reel; 2,000 units per reel
© 2003 Fairchild Semiconductor Corporation
Page 1 of 7
2/12/03
∆λ
SURFACE MOUNT LED LAMP
STANDARD BRIGHT 1206
QTLP650C-2 / QTLP650D-2 HER
QTLP650C-4 / QTLP650D-4 Green
QTLP650C-B Blue
(T
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol
Continuous Forward Current
Peak Forward Current
(f = 1.0 KHz, Duty Factor = 1/10)
Reverse Voltage (I
Power Dissipation
Operating Temperature
Storage Temperature
Lead Soldering Time
= 10 µA) V
R
T
T
T
=25°C Unless otherwise specified)
A
I
F
I
FM
R
P
D
OPR
STG
SOL
QTLP650C-3 / QTLP650D-3 Yellow
QTLP650C-7 / QTLP650D-7 AlGaAs Red
QTLP650C / QTLP650D
Units
-2 -3 -4 -7 -B*
30 30 30 30 30 mA
160 160 160 180 100 mA
55555V
84 84 84 72 135 mW
-40 to +85 °C
-40 to +90 °C
260 for 5 sec °C
(T
ELECTRICAL / OPTICAL CHARACTERISTICS
Part Number Symbol
Luminous Intensity (mcd)
Minimum
Typical 10 / 8 10 / 8 10 / 8 20 / 15 20 / -
Forward Voltage (V)
Maximum
Typical 2.0 2.0 2.1 1.9 3.8
Wavelength (nm)
Peak
Dominant
Spectral Line Half Width (nm)
Viewing Angle (°)
* Available only in QTLP650C
2 Θ
I
V
V
F
λ
P
λ
D
1/2
-2 -3 -4 -7 -B*
4 / 3 4 / 3 6 / 5 10 / 8 10 / -
2.8 2.8 2.8 2.4 4.5
635 585 565 660 430
630 590 570 645 465
45 35 30 20 65
140 / 160 140 / 160 140 / 160 140 / 160 140 / -
=25°C)
A
QTLP650C / QTLP650D
Condition
= 20mA
I
F
= 20mA
I
F
I
= 20mA
F
I
= 20mA
F
I
= 20mA
F
© 2003 Fairchild Semiconductor Corporation
Page 2 of 7
2/12/03
SURFACE MOUNT LED LAMP
STANDARD BRIGHT 1206
QTLP650C-2 / QTLP650D-2 HER
QTLP650C-4 / QTLP650D-4 Green
QTLP650C-B Blue
TYPICAL PERFORMANCE CURVES
Fig. 1 Forward Current vs. Forward Voltage
90
80
70
60
50
40
30
20
- FORWARD CURRENT (mA) RELATIVE INTENSITY
10
F
I
0
1.0 2.0 2.5 3.0 4.0 5.0
HER
AlGaAs
RED
VF - FORWARD VOLTAGE (V)
GREEN
YELLOW
BLUE
Fig. 3 Relative Intensity vs. Peak Wavelength
QTLP650C-3 / QTLP650D-3 Yellow
QTLP650C-7 / QTLP650D-7 AlGaAs Red
Fig. 2 Relative Luminous Intensity vs.
DC Forward Current
2.0
HER
HER
YELLOW
GREEN
AlGaAs REDYELLOW
AlGaAs
RED
BLUE
30
(NORMALIZED AT 20 mA)
RELATIVE LUMNOUS INTENSITY
GREENBLUE
1.5
1.0
0.5
0.0
0 5 10 15 20 25
IF - DC FORWARD CURRENT (mA)
1.0
0.5
0
300 350 400 450 500 550 600 650 700 750
WAVELENGTH (nm)
Fig.5 Maximum Forward Current
vs. Ambient Temperature
020406080
TA - AMBIENT TEMPERATURE (˚C)
Fig.4 Radiation Diagram
0
˚
-10˚10
-20
˚
-30
˚
-40
˚
-50
˚
-60
˚
-70
˚
-80
˚
-90
˚
1.0 0.8 0.6 0.4 0.2 0 0.2 0.4 0.6 0.8 1.0
REL. LUMINOUS INTENSITY (%)
˚
20
˚
30
˚
40
QTLP650DQTLP650C
50
40
30
˚
50
˚
60
˚
70
˚
80
˚
90
˚
20
10
- FORWARD CURRENT (mA)
F
I
0
100
© 2003 Fairchild Semiconductor Corporation
Page 3 of 7
2/12/03
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