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. SerieS SPeciFicatiONS Heatsink Height Surface area Weight Thermal resistance (C/W) 2 2 Part Number (in/mm) (in /mm ) (lb/g) Free conv. Forced conv. SV-LED-113E 6.67 0.50 / 12.7 18 / 11,739 0.077 / 35 4.33 SA-LED-113E 5.33 SV-LED-125E 5.33 1.00 / 25.4 36 / 23,478 0.154 / 70 2.88 SA-LED-125E 4.27 SV-LED-151E 4.00 2.00 / 50.8 72 / 46,956 0.308 / 140 1.89 SA-LED-151E 3.20 SV-LED-176E 3.11 3.00 / 76.2 108 / 70,434 0.462 / 210 1.55 SA-LED-176E 2.49 characteriSticS Heat Sink Aluminum Alloy 6063-T5 Heat Dissipation or Equivalent with either Air Velocity (ft./min.) degreased or black anodized 0 200 400 600 800 1000 100 5 finish. Mounting 1/4, 10, and 4 thread form- 113 113 4 Hardware ing SS screws are preferred 80 Compliance Either degreased or black 125 anodized finished parts are 60 3 125 RoHS compliant. 151 2 40 151 176 176 20 1 0 0 0 36 912 15 Heat Dissipated (watts) (continued) 184 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com Mounting Surf. Temp. Rise above Ambient (C) Thermal Resistance from Mounting Surface to Ambient (C/watts)S Series LED Heatsinks dimeNSiONS (in./mm) H Height H Surface area Weight 2.75 (69.8mm) 2 2 Part Number (in/mm) (in /mm ) (oz/g) 2.5 (63.5mm) SV-LED-113E 0.50 / 12.7 18 / 11,739 0.077 / 35 1.00 (25.4mm) SA-LED-113E SV-LED-125E 1.00 / 25.4 36 / 23,478 0.154 / 70 SA-LED-125E 4 screw (6) 0.75 (19.0mm) SV-LED-151E 2.00 / 50.8 72 / 46,956 0.308 / 140 SA-LED-151E SV-LED-176E 3.00 / 76.2 108 / 70,434 0.462 / 210 SA-LED-176E 1/4 screw (4) 10 screw (6) OrderiNg iNFOrmatiON RoHS Compliant SV-LED-113E Series Coating Height A = black anodized V = degreased Standard part numbers Part Number Description Packaging SV-LED-113E 12.7mm, no finish (degreased) Bulk SA-LED-113E Black Anodized, 12.7mm Bulk SV-LED-125E 25.4mm, no finish (degreased) Bulk SA-LED-125E Black Anodized, 25.4mm Bulk SV-LED-151E 50.8mm, no finish (degreased) Bulk SA-LED-151E Black Anodized, 50.8mm Bulk SV-LED-176E 76.2mm, no finish (degreased) Bulk SA-LED-176E Black Anodized, 76.2mm Bulk rev 6/20-1 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 185