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L202-4080033C30000 Datasheet(PDF) 13 Page - Lumileds Lighting Company

Part No. L202-4080033C30000
Description  Turnkey solution on a rigid substrate enabling high-efficacy designs
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Maker  LUMILEDS [Lumileds Lighting Company]
Homepage  http://www.luxeon.com
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L202-4080033C30000 Datasheet(HTML) 13 Page - Lumileds Lighting Company

 
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DS145 LUXEON XR-3535L Product Datasheet 20151022 ©2015 Lumileds Holding B.V. All rights reserved.
12
Assembly Precautions
The LUXEON 3535L emitter package contains a silicone overcoat to protect the LED chip and extract the maximum amount
of light. As with most silicones used in LED optics, care must be taken to prevent any incompatible chemicals from directly or
indirectly reacting with the silicone.
The silicone overcoat used in the LUXEON emitter is gas permeable. Consequently, oxygen and volatile organic compound
(VOC) gas molecules can diffuse into the silicone overcoat. VOCs may originate from adhesives, solder fluxes, conformal coating
materials, potting materials and even some of the inks that are used to print the PCBs.
Some VOCs and chemicals react with silicone and produce discoloration and surface damage. Other VOCs do not chemically
react with the silicone material directly but diffuse into the silicone and oxidize during the presence of heat or light. Regardless of
the physical mechanism, both cases may affect the total LED light output. Since silicone permeability increases with temperature,
more VOCs may diffuse into and/or evaporate out from the silicone.
Please refer to Application Brief AB203 for more details on VOCs and other incompatible chemicals.
It is recommended that LUXEON XR-3535L always be handled/assembled in an ESD safe environment. Handle board around
edges and avoid touching LEDs or exposed metals directly. LUXEON XF-3535L is designed for operation within maximum
boundaries as described in this datasheet. Operation outside of maximum ratings may result in LED failure and induce light
output loss or uncontrolled failure modes. If multiple products are connected in parallel, failure of one module may result in
excessive current in remaining modules. Make sure wires are connected in the correct polarity and use only recommended wire
gauge (18-24 AWG).
Zhaga Compliance
Table 7 . Zhaga compliance information for LUXEON XR-3535L .
Designation of the ECG housing (book-1 / annex C)
NA
Designation of the Book-7 LLE category
L28W6
Luminous Flux Category at t
p,max
C020
CCT category at t
p,max
3000, 3500, 4000, 5000 K
CRI at t
p,max
80
CCT/CRI codes per IEC 62732
830, 835, 840, 850
Position of temperature measurement point t
p
Same as T
c point
Value of t
p,max
85°C
Value of t
p, headroom
30°C
Number of LED modules in LLE
1


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