NS2W757A Nichia, NS2W757A Datasheet - Page 3

• Manufacturer Part Number: NS2W757A
• Manufacturer: Nichia

Specifications of NS2W757A

• Size Lxwxh (mm): 3.0\u00d73.0\u00d70.52
• Lumi-nous Inten-sity Typ(cd): 9.4
• Lumi-nous Flux Typ(lm)): 28.5
• Forward Voltage Vf(v) Typ: 2.85
• Forward Voltage Vf(v) Max: 3.30
• Directivity (degree): 120
• If (ma): 65
• Mounting Style: Through Hole

RANKS
Color Ranks
Luminous Flux Ranks by Color Rank
* Ranking at T
* Tolerance of measurements of the Forward Voltage is ±0.05V.
* Tolerance of measurements of the Luminous Flux is ±7%.
* Tolerance of measurements of the Chromaticity Coordinate is ±0.005.
* A shipment shall consist of LEDs in a combination of the above ranks.
Forward Voltage
Luminous Flux
Ranking by
Color Coordinates
b3
b4,b5,b6,c1,c2
The percentage of each rank in the shipment shall be determined by Nichia.
x
y
x
y
x
y
Item
0.287
0.295
0.296
0.276
0.330
0.339
S
=25°C.
0.283
0.305
0.287
0.295
0.330
0.360
-
P11
P10
P9
Luminous Flux
Rank b3
Rank b5
Rank c1
Ranking by
Rank
0.304
0.330
0.307
0.315
0.361
0.385
30.3
25.5
21.4
P9
Min
2.4
0.307
0.315
0.311
0.294
0.357
0.361
P10
36.0
30.3
25.5
Max
3.3
P11
x
y
x
y
x
y
Unit
0.307
0.315
0.311
0.294
0.330
0.318
lm
V
0.304
0.330
0.307
0.315
0.330
0.339
Rank b4
Rank b6
Rank c2
0.330
0.360
0.330
0.339
0.357
0.361
0.330
0.339
0.330
0.318
0.356
0.351
2