ohmite mfg. co. 1600 golf rd., rolling meadows, il 60008 ? 1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 1 m series heatsinks heatsink with two clips for to-264 and to-247 ohmite introduces the m series, patented (pat. no. 7,151,669), high performance, low cost, configurable, scal - able and compact heat sink with matrix clip system for to-247 and to-264 pack - ages. this powerful heat sink provides the easiest assembly, largest surface area and small - est footprint. it is the ideal type of heat sink for high power density and small size (1u or 2u) electronic packaging with forced convection cooling. specifica tions heat sink: aluminum alloy 6063- t5 or equivalent with either degreased or black anodized finish. spring clip: music wire, per astm a228 with bright nickel plating solder foot: cold-rolled steel, per astm a-366 with pure tin over copper strike. rohs com - pliant. insulator: (optional) sil-pad 900- s, k6 800-s and k10 land p a ttern hea t d issipa tion (l = 1.8 in) standard p art numbers for m series part number description packaging MV-102-55E degreased bulk ma-102-55e black anodized bulk fea tures ? minimum assembly cost and labor. spring clips make the mounting holes and fasteners obsolete in assembly operations & reduce costs. ? maximum thermal transfer. maximum surface area per unit volume, efficient cooling fins & consistent mounting force reduc - es thermal resistance ? maximum repeatability. constant spring force over repeated assembly/disassembly ? maximum reliability. resilient spring action locks electronic component in place. fewer parts in assembly and no fasteners and washers required. prevent short circuit by eliminating metal particles generated from hard - ware or thread tapping ? design flexibility. maximum flexibility for dynamic device locations and power up grading. configure-to-fit & scale-to- meet options give designers the total freedom to configure the heat sink to fit their packaging designs and to scale the heat sink to meet their power dissipa - tions. case temp. rise above ambient (c) heat dissipated (watts) 40 30 20 16 8 45 35 41 22 0 50 thermal resistance from mounting surface to ambient (c/watts) 1 0 2 4 5 800 400 200 600 1000 air v elocity (ft./min.) 25 3 1.35" (34.3mm) y 2.01" (51mm) 2.17" (55mm) 0.08" (2.0mm) 0.95" (24.1mm) x c l c l user defined values 2x 0.18" (4.6mm) ? 0.07" (1.8mm) 4x ? 0.10" (2.5mm) 1.52" (38.6mm) 1.34" (34.1mm) 0.83" (21.1mm) 0.95" (24.1mm) 0.14" (3.6mm) ordering inform ation MV-102-55E series no. of clips length (mm) finish a = black anodized v = degreased rohs compliant thermal surface a rea weight resistance part no. (in 2 /mm 2 ) (oz./g) (c/w)* mv-102-55 e 45 / 29,097 2.2 / 63 2.0 m a-102-55e 45 / 29,097 2.2 / 63 2.0 * forced convection @200 lfm c heck product availability using the worldwide i nventory s earch at ohmite.com
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