CLD-DS41_12 CREE [Cree, Inc], CLD-DS41_12 Datasheet - Page 11

• Manufacturer Part Number: CLD-DS41_12
• Manufacturer: CREE [Cree, Inc]

Copyright © 2010 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trademarks
Copyright © 2011-2012 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the Cree logo and XLamp are registered trade-
of Cree, Inc.
marks of Cree, Inc.
Note: All temperatures refer to the topside of the package, measured on the package body surface.
notes
Lumen Maintenance Projections
Please read the XLamp Long-Term Lumen Maintenance application note for more details on Cree’s lumen maintenance
testing and forecasting. Please read the XLamp Thermal Management application note for details on how thermal de-
sign, ambient temperature, and drive current affect the LeD junction temperature.
Moisture Sensitivity
In testing, Cree has found XLamp XT-E LEDs to have unlimited floor life in conditions ≤30 ºC/85% relative humidity
(RH). Moisture testing included a 168-hour soak at 85 ºC/85% RH followed by 3 reflow cycles, with visual and electrical
inspections at each stage.
Cree recommends keeping XLamp LeDs in their sealed moisture-barrier packaging until immediately prior to use. Cree
also recommends returning any unused LeDS to the resealable moisture-barrier bag and closing the bag immediately
fter use.
RoHS Compliance
The levels of environmentally sensitive, persistent biologically toxic (PBT), persistent organic pollutants (POP), or other-
wise restricted materials in this product are below the maximum concentration values (also referred to as the threshold
limits) permitted for such substances, or are used in an exempted application, in accordance with eU Directive 2002/95/
EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as
amended through April 21, 2006.
vision Advisory Claim
WARNING: Do not look at exposed lamp in operation. eye injury can result. See LeD eye Safety at www.cree.com/
products/pdf/XLamp_eyeSafety.pdf.
Profile Feature
Average Ramp-Up Rate (Ts
Preheat: Temperature Min (Ts
Preheat: Temperature Max (Ts
Preheat: Time (ts
Time Maintained Above: Temperature (T
Time Maintained Above: Time (t
Peak/Classification Temperature (Tp)
Time Within 5 °C of Actual Peak Temperature (tp)
Ramp-Down Rate
Time 25 °C to Peak Temperature
min
to ts
max
max
)
min
to Tp)
max
)
L
)
)
L
)
lead-Based solder
3 °C/second max.
6 °C/second max.
60-120 seconds
60-150 seconds
6 minutes max.
10-30 seconds
100 °C
150 °C
183 °C
215 °C
xlamp xT-E lEDs
lead-free solder
3 °C/second max.
6 °C/second max
60-180 seconds
60-150 seconds
8 minutes max.
20-40 seconds
150 °C
200 °C
217 °C
260 °C
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