NESL157B Nichia, NESL157B Datasheet - Page 2

• Manufacturer Part Number: NESL157B
• Manufacturer: Nichia

Specifications of NESL157B

• Size Lxwxh (mm): 3.0x1.4x0.52
• Lumi-nous Inten-sity Typ(cd): 5.4
• Lumi-nous Flux Typ(lm)): 16.0
• Ra Min: 80
• Forward Voltage Vf(v) Typ: 2.90
• Forward Voltage Vf(v) Max: 3.10
• Directivity (degree): 120
• If (ma): 50
• Mounting Style: Through Hole

SPECIFICATIONS
(1) Absolute Maximum Ratings
(2) Initial Electrical/Optical Characteristics
* Absolute Maximum Ratings at T
* I
* Characteristics at T
* Luminous Flux value as per CIE 127:2007 standard.
* Chromaticity Coordinates as per CIE 1931 Chromaticity Chart.
* R
Forward Current
Pulse Forward Current
Allowable Reverse Current
Power Dissipation
Operating Temperature
Storage Temperature
Junction Temperature
Forward Voltage
R8000
Chromaticity Coordinate
Thermal Resistance
FP
θJS
conditions with pulse width ≤10ms and duty cycle ≤10%.
is Thermal Resistance from junction to T
Item
A
=25°C.
Item
Luminous Flux
Luminous Intensity
Color Rendering
x
y
A
=25°C.
Symbol
T
T
I
P
I
T
I
opr
FP
stg
R
F
D
J
S
measuring point.
Absolute Maximum Rating
Symbol
R
Φ
V
R
-40~100
-40~100
I
-
-
θJS
v
F
a
v
120
279
120
90
85
Condition
I
I
I
I
I
I
F
F
F
F
F
F
=50mA
=50mA
=50mA
=50mA
=50mA
=50mA
-
Unit
mW
mA
mA
mA
°C
°C
°C
0.41
0.39
Typ
2.9
5.4
16
85
22
Max
32
-
-
-
-
-
-
°C/W
Unit
lm
cd
V
-
-
-
1