D Series Heatsink For TO-252, TO-263 and TO-268 devices Ohmite D Series heatsinks provide an innovative solution for SMT compatible semiconductors and FeatureS resistors. The unique design (Patent Pending) com- bines tin plated, solderable rods with an aluminum • Increased surface areas by 3 times therefore ther- extruded heat sink body. These rods (or “rollers”) mal performance up to 300% over the aluminum are mated mechanically to the heatsink by forging to stamped heat sinks on markets reduce the thermal resistance between the heatsink • Light weight aluminum construction allows faster body and the solderable feet. pick and place assembly reducing the manufactur- Specifically designed for use with the increasingly ing cycle time popular TO-252, TO-263 and TO-268 packages, the • Radius mounted “Rollers” are designed for maxi- D Series affords the user superior thermal perfor- mizing heat transfer from the component and mance over the more common stamped aluminum avoiding the thermal “bottle-neck” seen in stamped heatsinks. By eliminating the staking joint typically and staked heatsinks. used in stamped heatsinks, the resulting air gap and • Available in bulk packaging or tape and reel (200 or thermal “bottle-neck” is also eliminated, while sur- 250 based on part series) face area for cooling is maximized with the extruded fins of the D Series body. • RoHS Compliant Heat DiSSipation Air Velocity (ft./min.) Air Velocity (ft./min.) 200 400 600 800 1000 200 400 600 800 1000 60 50 12 g Case Temp. Rise aboveAmbient (C)°435435550005 TTOO--225623 ((DD)2) 134000111 & 201 11168042 hermal Resistance from MountingSurface to Ambient (C/watts)° Case Temp. Rise aboveAmbient (C)° 43430055 TO-268134 (000D111 3&) 201 16480 Thermal Resistance from MountinSurface to Ambient (C/watts)° T 25 4 25 2 2 4 6 8 10 2 4 6 8 10 Heat Dissipated (watts) Heat Dissipated (watts) Final thermal performance is highly dependent on the thermal characteristics of the PCB. It is possible to see a 50% drop in temp rise in natural convection with a thermally improved PCB. (continued) 170 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

D Series Heatsink For TO-252, TO-263 and TO-268 devices DimenSionS ±0.012” / ±0.30mm Style 10 TO-252 (D) Style 20 TO-263 (D2) TO-268 (D3) 1.02" 1.22" 1.02" 25.91mm 30.9mm 25.9mm 0.50" 0.50" 12.7mm 12.7mm 0.40" 0.48"REF 10.2mm ±.30 0.27" 12.1mm 6.9mm 0.26" 6.6mm 0.09" 2.3mm 2.05.81m0"m 00..5464"" ((1114..22mmmm)) TTOO--226532 ((DD2)) 110..14m4"m 0.56" 0.67" (17mm) TO-268 (D3) 14.1mm 0.79" (20mm) ±0.25mm Style 30 Style 40 TO-268 (D3) TO-263 (D2) TO-268 (D3) TO-263 (D2) 1.58" 1.39" 1.22" 1.03" 40.2mm 35.2mm 31.1mm 26.0mm 12.07.m50m" 12.07.m50m" 0.46" 0.46" 11.6mm 0.26" 11.7mm 0.26" 6.6mm 6.6mm 0.15" 3.7mm TO-268 (D3) TO-263 (D2) 0.09" TO-268 (D3) TO-263 (D2) 0.67" 0.44" 2.4mm 0.67" 0.44" 17mm ±0.2 11.2mm 17.0mm 11.2mm 0.79" 0.56" 0.79" 0.56" 20mm ±0.2 14.2mm 20.0mm 14.2mm (continued) 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 171

D Series Heatsink For TO-252, TO-263 and TO-268 devices lanD patternS Land Patterns for D, D2 and D3 TO-252 (D) TO-268 (D3) 0.62" (15.8mm) TO-263 (D2) 0.35" (8.9mm) TO-252 (D) 0.84" (21.4mm) 0.84" (21.4mm) 0.64" (16.3mm) 0.65" (16.6mm) 0.44" (11.2mm) TO-263 (D2) 0.56" 0.56" (14.2mm) 0.54" (14.2mm) 0.54" (13.7mm) (13.7mm) 0.06" 0.03" 0.06" 0.076" TO-252 (D) (1.4mm) (0.8mm) (1.4mm) (1.9mm) 0.03" TO-263 (D2) (0.8mm) tape anD reel Reel diameter: 13.00” (330.00mm) 200 pcs per reel- 20, 30 and 40 series 250 pcs per reel- 10 series K0 P1 P0 Style 10 Style 20 Style 30 Style 40 Removable Kapton D0 1.55mm 1.5mm 1.5mm 1.55mm tape on each part facilitates handling K0 10.5mm 12.20mm 11.50mm 10.5mm by automatic pick S0 W P0 4mm 4.0mm 4.0mm 4mm and place equipment. P1 24mm 24mm 24.0mm 24mm Style 10 tape and reel only. S0 40.4mm 40.4mm 52.4mm 40.4mm W 44mm 44mm 56mm 44mm ø D0 orDering inFormation Standard part numbers For D Series Style RoHS 10, 20, 30 or 40 Compliant Part Number Description Packaging Weight D A - T 2 6 3 - 2 0 1 E- T R DV-T263-101E for D2 PAK, degreased Bulk 3.8 g DA-T263-101E for D2 PAK, black anodized Bulk 3.8 g Series Finish Package Length Tape & Reel DV-T263-101E-TR for D2 PAK, degreased Reel 3.8 g D A = black anodized T263 = TO-263 1 = 0.50" DA-T263-101E-TR for D2 PAK, black anodized Reel 3.8 g V = degreased (or TO-252) 2, 3, 4 = optional lengths T268 = TO-268 assigned DV-T268-101E for D3 PAK, degreased Bulk 4.1 g sequentially on DA-T268-101E for D3 PAK, black anodized Bulk 4.1 g customer request DV-T268-101E-TR for D3 PAK, degreased Reel 4.1 g DA-T268-101E-TR for D3 PAK, black anodized Reel 4.1 g DV-T263-201E for D or D2 PAK, degreased Bulk 3.6 g DA-T263-201E for D or D2 PAK, black anodized Bulk 3.6 g DV-T263-201E-TR for D or D2 PAK, degreased Reel 3.6 g DA-T263-201E-TR for D or D2 PAK, black anodized Reel 3.6 g DV-T268-301E for D3 PAK, degreased Bulk 4.3 g DA-T268-301E for D3 PAK, black anodized Bulk 4.3 g DV-T268-301E-TR for D3 PAK, degreased Reel 4.3 g DA-T268-301E-TR for D3 PAK, black anodized Reel 4.3 g DV-T263-301E for D2 PAK, degreased Bulk 4.1 g DA-T263-301E for D2 PAK, black anodized Bulk 4.1 g DV-T263-301E-TR for D2 PAK, degreased Reel 4.1 g DA-T263-301E-TR for D2 PAK, black anodized Reel 4.1 g DV-T268-401E-TR for D3 PAK, degreased Reel 4.0 g DA-T268-401E-TR for D3 PAK, black anodized Reel 4.0 g DV-T263-401E-TR for D2 PAK, degreased Reel 3.9 g DA-T263-401E-TR for D2 PAK, black anodized Reel 3.9 g rev 7/18-1 172 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: O hmite: DA-T263-101E DA-T268-101E DV-T263-101E DV-T268-101E DA-T263-101E-TR DA-T268-101E-TR DV-T263- 101E-TR DV-T268-101E-TR DA-T263-201E-TR DV-T263-201E-TR DV-T263-201E DA-T263-201E DA-T268-301E DA-T268-301E-TR DV-T268-301E DV-T268-301E-TR DV-T268-401E-TR DA-T263-401E-TR DV-T263-401E-TR DA-T268-401E-TR DV-T263-301E-TR DA-T263-301E-TR