800-0345-5 LIGHTING SCIENCE GROUP CORPORATION, 800-0345-5 Datasheet - Page 2

• Manufacturer Part Number: 800-0345-5
• Description: Heatsinks Heatsink 1.5in Atlas Series
• Manufacturer: LIGHTING SCIENCE GROUP CORPORATION

Specifications of 800-0345-5

• Product: Heatsinks
• Designed For: LEDs
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: HS-4150-0345

Assembly Recommendations
Lamina's BL Series LED light sources are designed for attachment to heat sinks using screws with thermal grease in the joint or by
using conductive epoxy. All Lamina heat sinks are drilled and tapped to accept the recommended fasteners. More information on
recommended attachment methods can be found in Lamina’s Connection Guide for Lamina’s LED Light sources at
www.LaminaCeramics.com.
Heat Sink Selection
Lamina’s LED arrays must be operated to maintain LED die junction temperatures at or below maximum rated temperatures. Lamina’s
LED arrays provide very efficient transfer of heat from the individual LED die to the heat sink. Additionally, a heat sink must be selected
with sufficient cooling capacity to maintain the LED die junction below the maximum rated temperature.
Lamina’s heat sinks have been sized for Lamina’s standard products, and to accommodate a range of desired operating conditions.
Proper heat sink sizing is determined by a number of factors, including those listed below:
BL-2000 and BL-4000 Heat Sinks
Mechanical Specifications
about your design, contact Lamina at 800.808.5822 or 609.265.1401 or visit www.laminaceramics.com.
•
•
•
•
•
To see how you can realize all these design benefits, to request a sample, or to speak with an engineer
P
FOR OPERATING THE
A
T
OF FIXTURE HOUSING THE HEAT SINK
D
HIGHER LIGHT OUTPUT OVER LIFE
TEMPERATURES
D
ALL BUT A VERY FEW APPLICATIONS
TEMPERATURES RESULT IN LOWER FLUX LEVELS
I
OUTPUT
NCREASING HEAT SINK SIZE WILL GENERALLY HELP TO LOWER
HERMAL
OWER
MBIENT CONDITIONS
ESIRED LIFETIME AND LUMEN MAINTENANCE
ESIRED
.
D
L
ISSIPATED
P
IGHT
ATH
.
O
–
UTPUT
THERMAL INTERFACE MATERIAL
(
LED
WATTS
– A
– LED
MBIENT TEMPERATURE CONDITIONS
LIGHT SOURCE
) –
DETERMINED BY THE LIGHT ENGINE PART NUMBER AND ASSOCIATED DRIVE PARAMETERS CHOSEN
LUMINOUS OUTPUT IS RATED AT AN
. I
NCREASING HEAT SINK SIZE WILL GENERALLY HELP TO LOWER
,
.
WHICH ARE VERY COLD
.
– L
. R
OWER
,
LIGHT ENGINE ATTACHMENT METHOD
ED AND
LED
A
, LED
MBER ARE MORE AFFECTED THAN BLUE
JUNCTION TEMPERATURES RESULT IN LONGER LIFETIMES AND
, F
LED
REE OR FORCED CONVECTION OF AIR
S OPERATE WELL ABOVE
LED
OPERATING TEMPERATURES AND RESULT IN HIGHER LIGHT
DIE JUNCTION TEMPERATURE OF
,
AND SURFACE AREA AND CONDUCTIVITY
25C. E
LED
LEVATED
,
GREEN AND WHITE
,
ETC
OPERATING
25°C. H
.
LED
JUNCTION
OWEVER
.
,
IN
2