3mm Discrete LED
High Efficiency
Diffused
TYPE
521-94xx
COLOR
4.70 ± .20
[.185 ± .008]
.79 ± .20
[.031 ± .008]
.50
[.020]
NOM
3.30
[.130]
MAX
521-9408
521-9427
521-9428
Green
Red
Yellow
3.09 ± .20
[.122 ± .008]
2.49 ± .25
[.098 ± .010]
1.0
[.040]
6.10 ± .38
[.240 ± .015]
1.30 ± .25
[.051 ± .010]
24.00 ± .25
[.945 ± .010]
.50
[.020]
NOM
CATHODE (–)
MOUNTING CLIP: 515-0006
Dimensions in mm [inches]
located on page 4-65
Green
Red
Yellow
ABSOLUTE MAXIMUM RATINGS (T A =25°C)
Power Dissipation (mW)
Forward Current (mA)
-9408
75
25
-9427
60
20
-9428
60
20
Derating (mA/°C)
From 50°C
.5
.5
.5
Peak Current (mA)
Operating Temperature (°C)
Storage Temperature (°C)
60
-25/+85
-30/+100
60
-25/+85
-30/+100
60
-25/+85
-30/+100
Soldering Temperature
Solder Adherence per MIL-STD-202E, Method 208C
260°C, 5 seconds, 1.6 mm from case
Green
Red
Yellow
OPERATING CHARACTERISTICS (T A =25°C)
-9408
-9427
-9428
Luminous Intensity (mcd)
IF=10mA
Peak Wavelength (nm)
Min.
Typical
Typical
5.6
16
563
3.6
10
650
2.2
6.3
585
λ Peak
Viewing Angle (2 Θ ? )
Forward Voltage (V)
IF=10mA
Reverse Voltage (V), IR=10μA
Typical
Typical
Max.
Min.
45°
2.1
3
3
45°
2
3
3
45°
2.1
3
3
Θ ? is the off axis angle at which the luminous intensity is half the axial luminous intensity
4-64 Dialight Corporation ? 1501 Route 34 South ? Farmingdale, NJ 07727 ? TEL: (732) 919-3119 ? FAX: (732) 751-5778 ?www.dialight.com
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