3mm Cylindrical LED Lamps
LTL-2211AT
LTL-2231AT
LTL-2251AT
LTL-2291AT
Features
Cylindrical shape.
I.C. compatible.
Low power consumption.
Long life solid state reliability.
Low cost.
Bright Red
Green
Yellow
Red Orange
Package Dimensions
Description
The Bright Red source color devices are made with
Gallium Phosphide on Gallium Phosphide Red Light Emit-
ting Diode.
The Red Orange source color devices are made with
Gallium Arsenide Phosphide on Gallium Phosphide Or-
ange Light Emitting Diode.
The Green source color devices are made with Gallium
Phosphide on Gallium Phosphide Green Light Emitting
Diode.
The Yellow source color devices are made with Gallium
Arsenide Phosphide on Gallium Phosphide Yellow Light
Emitting Diode.
Devices
Part No.
LTL-
2211AT
2231AT
2251AT
2291AT
Lens
Red Diffused
Green Diffused
Yellow Diffused
Orange Diffused
Source
Color
Bright Red
Green
Yellow
Red Orange
Notes:
1. All dimensions are in millimeters (inches).
2. Tolerance is
0.25mm (.010") unless otherwise noted.
3. Protruded resin under flange is 1.0mm (.04") max.
4. Lead spacing is measured where the leads emerge from
the package.
5. Specifications are subject to change without notice.
Absolute Maximum Ratings at Ta=25
Parameter
Power Dissipation
Peak Forward Current
(1/10 Duty Cycle, 0.1ms Pulse Width)
Continuous Forward Current
Derating Linear From 25
Reverse Voltage
Operating Temperature Range
Storage Temperature Range
Lead Soldering Temperature
[1.6mm (0.063 in.) from body]
Bright
Red
40
60
15
0.2
5
Green
100
120
30
0.4
5
Yellow
60
80
20
0.25
5
-55
-55
260
to +100
to +100
Red
Orange
100
120
30
0.4
5
Unit
mW
mA
mA
mA/
V
for 5 Seconds
7-80
Electrical/Optical Characteristics at Ta=25
Parameter
Symbol
Part No.
LTL-
2211AT
2231AT
2251AT
2291AT
22x1AT
2211AT
2231AT
2251AT
2291AT
2211AT
2231AT
2251AT
2291AT
2211AT
2231AT
2251AT
2291AT
2211AT
2231AT
2251AT
2291AT
22x1AT
2211AT
2231AT
2251AT
2291AT
55
35
15
20
Min.
0.4
0.7
1.1
0.7
Typ.
1.1
3.7
2.5
2.5
180
697
565
585
630
657
569
588
621
90
30
35
40
2.1
2.1
2.1
2.0
Max.
Unit.
mcd
Test Condition.
I
F
=10 mA
Note 1,4
Note 2 (Fig.6)
Measurement
@Peak (Fig.1)
Luminous lntensity
I
V
Viewing Angle
Peak Emission
Wavelength
2
deg
P
nm
Dominant
Wavelength
d
nm
Note 3
Spectral Line
Half Width
nm
Forward Voltage
V
F
2.6
2.6
2.6
2.6
100
V
I
F
=20mA
I
R
Capacitance
C
pF
V
F
=0 , f=1MHz
Notes:1.Luminous intensity is measured with a light sensor and filter combination that approximates the CIE eye-
response curve.
2.
is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
3.The dominant wavelength, d is derived from the CIE chromaticity diagram and represents the single
wavelength which defines the color of the device.
4.I
V
needs
15% additionary for guaranteed limits.
7-81
THROUGH HOLE
LAMPS
Reverse Current
A
V
R
=5V
详细参数
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