LED
NICHIA STS-DA1-2948C
NICHIA CORPORATION SPECIFICATIONS FOR WHITE LED
NCSW170BT
● Pb-free Reflow Solderin...
Description
NICHIA STS-DA1-2948C
NICHIA CORPORATION SPECIFICATIONS FOR WHITE LED
NCSW170BT
● Pb-free Reflow Soldering Application ● Built-in ESD Protection Device ● RoHS Compliant
SPECIFICATIONS
NICHIA STS-DA1-2948C
(1) Absolute Maximum Ratings
Item
Symbol
Absolute Maximum Rating
Forward Current
IF 1200
Pulse Forward Current
IFP
1500
Allowable Reverse Current
IR
85
Power Dissipation PD 4.44
Operating Temperature
Topr
-40~125
Storage Temperature
Tstg
-40~125
Junction Temperature
TJ
150
* Absolute Maximum Ratings at TS=25°C.
* IFP conditions with pulse width ≤10ms and duty cycle ≤10%.
Unit mA mA mA W °C °C °C
(2) Initial Electrical/Optical Characteristics
Item
Symbol
Condition
Typ
Max
Unit
Forward Voltage Luminous Flux
VF IF=1000mA Φv IF=1000mA
Chromaticity Coordinate
x y
- IF=1000mA - IF=1000mA
Thermal Resistance
RθJS_real RθJS_el
-
* Characteristics at TS=25°C.
* Luminous Flux value as per CIE 127:2007 standard.
3.4 315 0.3292 0.3439 4.2 3.0
-V - lm --5.4 °C/W 3.8 °C/W
* Chromaticity Coordinates as per CIE 1931 Chromaticity Chart.
* RθJS_real are decided by taking into account energy conversion efficiency. Please refer to JESD51.
1
RANKS
NICHIA STS-DA1-2948C
Item Forward Voltage
Luminous Flux
Rank M350 M300 M250
Min 2.9 350 300 250
Color Ranks
x 0.3163 y 0.3181
Rank asw60 0.3138 0.3296 0.3381 0.3526
0.3300 0.3308
Max 3.7 400 350 300
Unit V
lm
Rank sw50 x 0.3366 0.3376 0.3548 0.3515...
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