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3mm Discrete LED
Tinted, Diffused
521-9831
PART NO.
COLOR
4.8 [.189]
4.4 [.173]
SURFACE NOT FLAT
4.8 [.189]
4.4 [.173]
0.7 [.028]
0.4 [.016]
0.6 [.024]
0.4 [.016]
3.4 [.134]
3.1 [.122]
521-9831
Blue3
2.9 [.114]
2.7 [.106]
?
2.54 [.100]
3.7 [.145]
CATHODE
1.8 [.071]
1.2 [.047]
0.6 [.024]
0.4 [.016]
3.5 [.138]
6.1 [.240]
5.7 [.224]
29 [1.142]
27 [1.063]
MOUNTING CLIP: 515-0006
Dimensions in mm [inches]
3
ATTENTION
OBSERVE PRECAUTIONS
located on page 4-65
FOR HANDLING
ELECTROSTATIC
SENSITIVE
DEVICES
Blue
4
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Power Dissipation (mW)
Forward Current (mA)
Derating (mA/°C) From 55°C
Operating Temperature (°C)
Storage Temperature (°C)
Soldering Temperature
-9831
100
20
.44
-40/+100
-40/+100
260°C, 5 seconds, 1.6 mm from case
Solder Adherence per MIL-STD-202E, Method 208C
Blue
OPERATING CHARACTERISTICS (TA=25°C)
-9831
Luminous Intensity (mcd)
IF=10mA
Peak Wavelength (nm)
λ Peak
Viewing Angle (2 Θ ?)
Forward Voltage (V)
IF=10mA
Min.
Typical
Typical
Typical
Typical
Max.
6.3
12
428
70°
3.5
4.2
Reverse Voltage (V)
IR=10μA
Min.
3
Θ ? is the off axis angle at which the luminous intensity is half the axial luminous intensity
Dialight Corporation ? 1501 Route 34 South ? Farmingdale, NJ 07727 ? TEL: (732) 919-3119 ? FAX: (732) 751-5778 ?www.dialight.com
4-57
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