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PDF ( 数据手册 , 数据表 ) OVTL09LG3WW

零件编号 OVTL09LG3WW
描述 10-Watt Lednium SMD
制造商 OPTEK Technologies
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OVTL09LG3WW 数据手册, 描述, 功能
10-Watt Lednium SMD
(120°Viewing Angle)
OVTL09LG3x Series
www.datashReeetv4oul.ucotimonary 3-dimensional packaged LED source
Robust energy-efficient design with long operating life
Low thermal resistance (2.5°C/W)
Exceptional spatial uniformity
Available in amber, blue, green, red, cool white, daylight
white, warm white and multi-colored
The OVTL09LG3x Series surface mount provides a 10-Watt energy-efficient 3-dimensional packaged LED
source that offers high luminance, low thermal resistance @ 2.5°C/W and a long operating lifespan. Devices offer
a 120°viewing angle and are available in amber, blue, green, red, cool white, daylight white, warm white and multi-
colored.
Applications
Automotive exterior and interior lighting
Architectural lighting
Electronic signs and signals
Flux Characteristics (IF = 1.05 A, TJ = 25°C)
Part Number
OVTL09LG3A
OVTL09LG3B
OVTL09LG3G
OVTL09LG3R
OVTL09LG3W
OVTL09LG3WD
OVTL09LG3WW
OVTL09LG3M
Viewing An-
gle
120°
Emitted Color
Amber
Blue
Green
Red
Cool White
Daylight White
Warm White
Red/Green/Blue
Typical Luminous
Flux (lm)
270
70
250
230
250
275
230
221
Lens Color
Water Clear
RoHS Moisture
DO NOT LOOK DIRECTLY
AT LED WITH UNSHIELDED
EYES OR DAMAGE TO
RETINA MAY OCCUR.
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 [email protected] www.optekinc.com
Issue B 0507
Page 1 of 11







OVTL09LG3WW pdf, 数据表
10-Watt Lednium SMD
OVTL09LG3x Series
Thermal Resistance
www.datasheet4u.com
Optek Lednium Series 1-watt Cup – Measured value 2oC/w
Optek Lednium Series 10-watt Matrix – Measured value 2.5oC/w
(OVTL01LGAxx)
(OVTL09LG3xx)
Theory
In line with industry practice, the thermal resistance (Rth) of our LED packages is stated as Rθ j-b, thermal
resistance from the junction region ( j ) of the die, to the board (b) - PCB or other mounting surface. What this
means in a practical sense, is that when operating at rated input (1watt approx.) the junction of a die in a cup prod-
uct will attain a temperature that is 2oC higher than a reference point on the mounting surface beneath it. In the
case of a 10-watt Matrix product, the maximum temperature difference between any junction and the reference
point is 25oC (2.5oC/w x 10w). The thermal path thus quantified is a composite of a number of thermally resistive
elements in a series and or parallel configuration, but lumped together into a single parameter for convenience.
For an end user of LED products then, this constant allows the junction temperature to be determined by a
simple measurement of the temperature of the mounting surface. Optek recommends that the design value of sus-
tained die junction temperature be limited to 80oC. In an ambient temperature of 25oC, the board temperature of a
10-watt device must be constrained below 55oC to comply with this recommendation, and for a 1-watt cup the board
can theoretically operate at up to 78oC.
From the diagram above it can be seen that the heat generated in the junction region follows a somewhat
serial conductive path through the package to the major radiating surface – which in this example is a single sided
PCB. Some additional radiation may occur directly from the upper surface of the package (not shown). This would
be conducted upward from the die surface through the transparent encapsulating material to the package surface
and be radiated from there. To all practical purposes this is a very minor effect. The polymer encapsulants in normal
use are poor conductors of heat.
Issue B 0507
Page 8 of 11
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 [email protected] www.optekinc.com














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