3
Optical/Electrical Characteristics at TA = 25°C
Test
Symbol
2θ1/2
Parameter
Included Angle
Between Half
Luminous Intensity
Points
Color
Min. Typ. Max. Units
Condition
High Efficiency Red
Orange
60
60
60
60
Deg.
IF = 10 mA
See Note 1
Yellow
Green
λPEAK
Peak Wavelength
High Efficiency Red
Orange
635
600
583
565
nm
Measurement
at Peak
Yellow
Green
∆λ1/2
Spectral Line Halfwidth
Dominant Wavelength
HER/Orange
Yellow
40
36
28
nm
nm
Green
λd
High Efficiency Red
Orange
Yellow
Green
626
602
585
569
See Note 2
τs
Speed of Response
Capacitance
High Efficiency Red
Orange
90
280
90
ns
Yellow
Green
500
C
High Efficiency Red
Orange
Yellow
Green
11
4
15
18
pF
VF = 0;
f = 1 MHz
RθJ-PIN
Thermal Resistance
Forward Voltage
All
260
°C/W
Junction to
Cathode Lead
VF
HER/Orange
Yellow
Green
1.9
2.0
2.1
2.4
2.4
2.7
V
IF = 10 mA
VR
Reverse Breakdown
Voltage
All
5.0
V
IR = 100 µA
ηV
Luminous Efficacy
High Efficiency Red
Orange
–
–
145
380
500
595
lumens See Note 3
Watt
Yellow
Green
Notes:
1. θ1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
2. The dominant wavelength, λd, is derived from the CIE chromaticity diagram and represents the single wavelength which defines the
color of the device.
3. Radiant intensity, Ie, in Watts/steradian, may be found from the equation Ie = Iv/ηv, where Iv is the luminous intensity in candelas and
ηv is the luminous efficacy in lumens/Watt.
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
