NESW157B Nichia, NESW157B Datasheet - Page 2

• Manufacturer Part Number: NESW157B
• Manufacturer: Nichia

Specifications of NESW157B

• Size Lxwxh (mm): 3.0x1.4x0.52
• Lumi-nous Inten-sity Typ(cd): 6.7
• Lumi-nous Flux Typ(lm)): 20.0
• 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
Luminous Flux
Luminous Intensity
Chromaticity Coordinate
Thermal Resistance
FP
θJS
conditions with pulse width ≤10ms and duty cycle ≤10%.
is Thermal Resistance from junction to T
Item
Item
A
=25°C.
x
y
A
=25°C.
Symbol
Symbol
R
T
T
Φ
I
P
V
I
T
I
I
opr
-
-
θJS
FP
stg
R
F
D
v
J
F
v
S
measuring point.
Absolute Maximum Rating
Condition
I
I
I
I
I
F
F
F
F
F
=50mA
=50mA
=50mA
=50mA
=50mA
-
-40~100
-40~100
120
279
120
90
85
0.344
0.355
Typ
2.9
6.7
20
22
Unit
mW
mA
mA
mA
°C
°C
°C
Max
32
-
-
-
-
-
°C/W
Unit
lm
cd
V
-
-
1