S Series
LED Heatsinks
Ohmite S Series LED Heatsinks are low cost and easy assem-
bly heat sinks for “Star” LED packages supplied by Cree,
Lumileds, Osram and others. This simple heat sink can hold
LED modules and can be mounted simply with some thread
forming screws. The heat sink has two types of surface finish
and can be used in either natural (free) or forced convection
cooling applications.
S e r i e S S P e c i F i c at i O N S
Heatsink
Part Number
SV-LED-113E
SA-LED-113E
SV-LED-125E
SA-LED-125E
SV-LED-151E
SA-LED-151E
SV-LED-176E
SA-LED-176E
Height
(in/mm)
0.50 / 12.7
1.00 / 25.4
2.00 / 50.8
3.00 / 76.2
Surface area
(in
2
/mm
2
)
18 / 11,739
36 / 23,478
72 / 46,956
108 / 70,434
Weight
(oz/g)
0.077 / 35
0.154 / 70
0.308 / 140
0.462 / 210
Thermal resistance (°C/W)
Free conv.
Forced conv.
6.67
4.33
5.33
5.33
2.88
4.27
4.00
1.89
3.20
3.11
1.55
2.49
characteriSticS
Heat Sink
Aluminum Alloy 6063-T5
or Equivalent with either
degreased or black anodized
finish.
Mounting
1/4, #10, and #4 thread form-
Hardware
ing SS screws are preferred
Compliance
Either degreased or black
anodized finished parts are
RoHS compliant.
Heat Dissipation
Mounting Surf. Temp. Rise above Ambient (°C)
100
0
200
Air Velocity (ft./min.)
400
600
800
1000
5
Thermal Resistance from Mounting
Surface to Ambient (°C/watts)
113
80
113
125
151
2
176
1
4
60
125
3
40
151
176
20
0
0
3
6
9
Heat Dissipated (watts)
12
15
0
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
185
S Series
LED Heatsinks
(in./mm)
Ø 2.75"
(69.8mm)
Ø 2.5"
(63.5mm)
Ø 1.00"
(25.4mm)
#4 screw (6)
Ø 0.75"
(19.0mm)
dimeNSiONS
H
Part Number
SV-LED-113E
SA-LED-113E
Height H
(in/mm)
0.50 / 12.7
1.00 / 25.4
2.00 / 50.8
3.00 / 76.2
Surface area
(in
2
/mm
2
)
18 / 11,739
36 / 23,478
72 / 46,956
108 / 70,434
Weight
(oz/g)
0.077 / 35
0.154 / 70
0.308 / 140
0.462 / 210
#1/4 screw (4)
#10 screw (6)
SV-LED-176E
SA-LED-176E
SV-LED-151E
SA-LED-151E
SV-LED-125E
SA-LED-125E
O r d e r i N g i N F O r m at i O N
RoHS Compliant
SV-LED-113E
Series Coating
A = black anodized
V = degreased
Height
Standard part numbers
Part Number
SV-LED-113E
SA-LED-113E
Description
12.7mm, no finish (degreased)
Black Anodized, 12.7mm
Packaging
Bulk
Bulk
SV-LED-125E
SA-LED-125E
SV-LED-151E
SA-LED-151E
25.4mm, no finish (degreased)
Black Anodized, 25.4mm
SV-LED-176E
SA-LED-176E
50.8mm, no finish (degreased)
Black Anodized, 50.8mm
Bulk
Bulk
76.2mm, no finish (degreased)
Black Anodized, 76.2mm
Bulk
Bulk
Bulk
Bulk
186
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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