Datasheet

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Nichia STSE-CW7156A
<Cat.No.070713>
1.SPECIFICATIONS
(1) Absolute Maximum Ratings (Ta=25°C)
Item Symbol Absolute Maximum Rating Unit
Forward Current IF 30 mA
Pulse Forward Current IFP 100 mA
Reverse Voltage VR 5 V
Power Dissipation PD 105 mW
Operating Temperature Topr -30 ~ + 85 °C
Storage Temperature Tstg -40 ~ +100 °C
Soldering Temperature Tsld 265°C for 10sec.
IFP Conditions : Pulse Width 10msec. and Duty 1/10
(2) Initial Electrical/Optical Characteristics (Ta=25°C)
Item Symbol Condition Typ. Max. Unit
Forward Voltage VF IF=20[mA] (3.2) 3.5 V
Reverse Current IR VR= 5[V] - 50 µA
Luminous Intensity Iv IF=20[mA] (3.40) - cd
x - IF=20[mA] 0.31 - -
Chromaticity Coordinate
y - IF=20[mA] 0.32 - -
½ Please refer to CIE 1931 chromaticity diagram.
(3) Ranking (Ta=25°C)
Item Symbol Condition Min. Max. Unit
Rank W Iv IF=20[mA] 3.68 5.04 cd
Rank V Iv IF=20[mA] 2.52 3.68 cd
Luminous Intensity
Rank U Iv I
F=20[mA] 1.84 2.52 cd
½ Luminous Intensity Measurement allowance is ± 10%.
Color Ranks (IF=20mA,Ta=25°C)
Rank a0 Rank b1
x 0.280 0.264 0.283 0.296 x 0.287 0.283 0.330 0.330
y 0.248 0.267 0.305 0.276 y 0.295 0.305 0.360 0.339
Rank b2 Rank c0
x 0.296 0.287 0.330 0.330 x 0.330 0.330 0.361 0.356
y 0.276 0.295 0.339 0.318 y 0.318 0.360 0.385 0.351
½ Color Coordinates Measurement allowance is ± 0.01.
½ Basically, a shipment shall consist of the LEDs of a combination of the above ranks.
The percentage of each rank in the shipment shall be determined by Nichia.
2.INITIAL OPTICAL/ELECTRICAL CHARACTERISTICS
Please refer to figure’s page.
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