NESM026B Nichia, NESM026B Datasheet - Page 13

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NESM026B

Manufacturer Part Number
NESM026B
Description
Manufacturer
Nichia
Datasheet

Specifications of NESM026B

Size Lxwxh (mm)
3.0x3.0x1.8
Lumi-nous Inten-sity Typ(cd)
280
Forward Voltage Vf(v) Typ
3.20
Forward Voltage Vf(v) Max
3.65
Directivity (degree)
115
If (ma)
20
Mounting Style
Through Hole
RELIABILITY
(1) Tests and Results
(2) Failure Criteria (Value for one LED device (Single color).)
NOTES:
U.S.L. : Upper Specification Limit
Resistance to
Soldering Heat
(Reflow Soldering)
Temperature Cycle
Moisture Resistance
(Cyclic)
High Temperature
Storage
Temperature Humidity
Storage
Low Temperature
Storage
Room Temperature
Operating Life
2)
Temperature Humidity
Operating Life
2)
Low Temperature
Operating Life
2)
#1
Criteria #
1) Measurements are performed after allowing the LEDs to return to room temperature.
2) Value for one LED device (Single color).
Test
Forward Voltage(V
Luminous Intensity(I
Reverse Current(I
Items
JEITA ED-4701
300 301
JEITA ED-4701
100 105
JEITA ED-4701
200 203
JEITA ED-4701
200 201
JEITA ED-4701
100 103
JEITA ED-4701
200 202
Reference
Standard
L.S.L. : Lower Specification Limit
R
F
)
)
V
)
B I
G I
R I
B I
G I
R I
B V
G V
R V
T
Precondition: 30°C, 70%RH, 168hr
-40°C(30min)~25°C(5min)~
100°C(30min)~25°C(5min)
25°C~65°C~-10°C, 90%RH,
24hr per cycle
T
T
T
T
60°C, RH=90%
T
F
F
F
F
F
F
R
R
=20mA
=20mA
R
=20mA
=20mA
Conditions
=20mA
=20mA
sld
A
A
A
A
A
=5V
=5V
=5V
=100°C
=60°C, RH=90%
=-40°C
=25°C
=-30°C
=260°C, 10sec, 2reflows,
Test Conditions
>U.S.L.×1.1
<L.S.L×0.7
>U.S.L.×2.0
B I
G I
R I
B I
G I
R I
B I
G I
R I
F
F
F
F
F
F
F
F
F
=4mA
=16.5mA
=3mA
=12.5mA
=4mA
=16.5mA
=9mA
=6mA
=9mA
Failure Criteria
100cycles
10cycles
500hours
500hours
500hours
500hours
300hours
500hours
Duration
Test
Criteria
Failure
#1
#1
#1
#1
#1
#1
#1
#1
#1
#
Failed/Tested
Units
0/50
0/50
0/50
0/50
0/50
0/50
0/50
0/50
0/50
12

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