Nichia SMD LED non-standard Warm white 5400 mcd 120 ° 50 mA 2.9 V NESL157BT Data Sheet
Product codes
NESL157BT
NICHIA STS-DA1-1976A <Cat.No.120213>
1
SPECIFICATIONS
(1) Absolute Maximum Ratings
Item
Symbol
Absolute Maximum Rating
Unit
Forward Current
I
F
90
mA
Pulse Forward Current
I
FP
120
mA
Allowable Reverse Current
I
R
85
mA
Power Dissipation
P
D
279
mW
Operating Temperature
T
opr
-40~100 °C
Storage Temperature
T
stg
-40~100 °C
Junction Temperature
T
J
120
°C
* Absolute Maximum Ratings at T
A
=25°C.
* I
FP
conditions with pulse width ≤10ms and duty cycle ≤10%.
(2) Initial Electrical/Optical Characteristics
Item
Symbol
Condition
Typ
Max
Unit
Forward Voltage
V
F
I
F
=50mA 2.9
-
V
Luminous Flux
Φ
v
I
F
=50mA 16
- lm
Luminous Intensity
I
v
I
F
=50mA 5.4
-
cd
R8000
Color Rendering
R
a
I
F
=50mA 85
-
-
x -
I
F
=50mA 0.41
-
-
Chromaticity Coordinate
y -
I
F
=50mA 0.39
-
-
Thermal Resistance
R
θJS
- 22 32
°C/W
* Characteristics at T
A
=25°C.
* Luminous Flux value as per CIE 127:2007 standard.
* Chromaticity Coordinates as per CIE 1931 Chromaticity Chart.
* R
* Chromaticity Coordinates as per CIE 1931 Chromaticity Chart.
* R
θJS
is Thermal Resistance from junction to T
S
measuring point.