4-62
Dialight Corporation 1501 Route 34 South Farmingdale, NJ 07727 TEL: (732) 919-3119 FAX: (732) 751-5778 www.dialight.com
3mm Discrete LED
Bi-Color
Non-Tinted, Diffused
521-9478, -9628, -9768
3.20
[.126]
MAX
4.45
[.175]
5.20
.5
[.205
.02]
1.02
[.040]
3.00
[.118]
25.40
[1.00]
MIN
RED CATHODE 521-9768
YELLOW CATHODE 521-9478
GREEN CATHODE 521-9628
.50
[.020]
TYP
2.54
[.100]
NOM
2.54
[.100]
NOTE:
MENISCUS MAY EXTEND 1.0MM [.040]
DOWN FROM HOUSING
PART NO.
COLOR
521-9478
Yellow/Green
521-9628
Red/Green
521-9768
Red/Yellow
Yellow/Green
Red/Green
Red/Yellow
ABSOLUTE MAXIMUM RATINGS
(TA=25C)
-9478
-9628
-9768
Power Dissipation (mW)
60/100
140/100
100/60
Forward Current (mA)
20/30
40/30
30/20
Derating (mA/C)
From 25C
1
From 50C
.25
1
/.40
1
.5/.4
.4
1
/.25
1
Peak Current (mA)
80/120
200/120
120/80
Pulse width = 10s
Operating Temperature (C)
-55/+100
-55/+100
-55/+100
Storage Temperature (C)
-55/+100
-55/+100
-55/+100
Soldering Temperature
260C, 5 seconds, 1.66 mm from case
Yellow/Green
Red/Green
Red/Yellow
OPERATING CHARACTERISTICS
(TA=25C)
-9478
-9628
-9768
Luminous Intensity (mcd)
Min.
2.5/2.5
3.7*/1.1*
1.7*/1.7*
IF=10mA * IF=20mA
Typical
4.3/6.3
12.6*/3.7*
5.6*/5.6*
Peak Wavelength (nm)
Typical
585/565
660/565
630/585
Peak
Viewing Angle (2
)
Typical
80
200
80
Forward Voltage (V)
Typical
2.1/2.1
1.8/2.1
2/2.1
IF=20mA
Max.
2.8/2.8
2.4/2.8
2.8/2.8
Reverse Voltage (V) IR=100ua
Min.
5
5
5
Dimensions in mm [inches]
is the off axis angle at which the luminous intensity is half the axial luminous intensity
Solder Adherence per MIL-STD-202E, Method 208C
MOUNTING CLIP: 515-0006
located on page 4-65
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