Series CPR Forged Copper Heat Sinks Technical Data Features • Precision forging technology for high power applications • Omni-directional pins • Designed for BGA and other surface mount packages • Various mounting methods available • Select from multiple fin heights Product Benefits • No special tools needed for assembly • No additional holes required on the PCB • Special clip easily snaps on and self-aligns Series CPR Forged Copper Heat Sinks with Pin Fins Part Number CPR19-19-12U CPR19-19-15U CPR19-19-20U CPR19-19-25U Fin Matrix (Rows x Columns) 5x5 5x5 5x5 5x5 Length x Width x Height (mm) 18.6 x 18.6 x 11.6 18.6 x 18.6 x 14.6 18.6 x 18.6 x 19.6 18.6 x 18.6 x 24.6 Thermal Resistance (°C/Watt @ 200 LFPM) 6.4 6.0 4.1 3.9 Pressure Drop (inches of water) 0.016 0.016 0.016 0.016 CPR27-27-12U CPR27-27-15U CPR27-27-20U CPR27-27-25U 8x8 8x8 8x8 8x8 26.6 x 26.6 x 11.6 26.6 x 26.6 x 14.6 26.6 x 26.6 x 19.6 26.6 x 26.6 x 24.6 4.6 4.0 2.9 2.5 0.016 0.016 0.016 0.016 CPR29-29-12U CPR29-29-15U CPR29-29-20U CPR29-29-25U 8x8 8x8 8x8 8x8 28.6 x 28.6 x 11.6 28.6 x 28.6 x 14.6 28.6 x 28.6 x 19.6 28.6 x 28.6 x 24.6 4.1 3.6 2.5 2.4 0.017 0.017 0.017 0.017 CPR33-33-12U CPR33-33-15U CPR33-33-20U CPR33-33-25U 9x9 9x9 9x9 9x9 32.6 x 32.6 x 11.6 32.6 x 32.6 x 14.6 32.6 x 32.6 x 19.6 32.6 x 32.6 x 24.6 3.0 2.5 1.8 1.6 0.016 0.016 0.016 0.016 CPR35-35-12U CPR35-35-15U CPR35-35-20U CPR35-35-25U 10 x 10 10 x 10 10 x 10 10 x 10 34.7 x 34.7 x 11.6 34.7 x 34.7 x 14.6 34.7 x 34.7 x 19.6 34.7 x 34.7 x 24.6 3.0 2.6 1.8 1.7 0.018 0.018 0.018 0.018 Material: Copper, CU1100 Page 1 of 3 IERC a CTS Company November 2004 413 North Moss Street Burbank, CA 91502 818-842-7277 www.ctscorp.com Series CPR Forged Copper Heat Sinks with Pin Fins CPR38-38-12U CPR38-38-15U CPR38-38-20U CPR38-38-25U Fin Matrix (Rows x Columns) 11 x 11 11 x 11 11 x 11 11 x 11 Length x Width x Height (mm) 37.1 x 37.1 x 11.6 37.1 x 37.1 x 14.6 37.1 x 37.1 x 19.6 37.1 x 37.1 x 24.6 Thermal Resistance (°C/Watt @ 200 LFPM) 2.7 2.4 1.8 1.7 Pressure Drop (inches of water) 0.013 0.013 0.013 0.013 CPR40-40-12U 11 x 11 39.6 x 39.6 x 11.6 2.4 0.018 CPR40-40-15U CPR40-40-20U CPR40-40-25U 11 x 11 11 x 11 11 x 11 39.6 x 39.6 x 14.6 39.6 x 39.6 x 19.6 39.6 x 39.6 x 24.6 2.0 1.6 1.5 0.018 0.018 0.018 CPR43-43-12U CPR43-43-15U CPR43-43-20U CPR43-43-25U 12 x 12 12 x 12 12 x 12 12 x 12 42.1 x 42.1 x 11.6 42.1 x 42.1 x 14.6 42.1 x 42.1 x 19.6 42.1 x 42.1 x 24.6 2.1 1.9 1.3 1.2 0.019 0.019 0.019 0.019 Part Number Material: Copper, CU1100 CLIP STYLES Material: Nylon Plastic per UL94-V0 Nominal Length x Width (mm) 19 x 19 21 x 21 23 x 23 25 x 25 27 x 27 29 x 29 31 x 31 33 x 33 35 x 35 37.5 x 37.5 40 x 40 42.5 x 42.5 45 x 45 0.9 mm +/- 0.3 mm 1.7 mm +/- 0.3 mm 3.3 mm +/- 0.3 mm Short Height Medium Height Tall Height Color: Orange Color: Blue Color: Yellow C1919S C2121S C2323S C2525S C2727S C2929S C3131S C3333S C3535S C3838S C4040S C4343S C4545S C1919M C2121M C2323M C2525M C2727M C2929M C3131M C3333M C3535M C3838M C4040M C4343M C4545M C1919T C2121T C2323T C2525T C2727T C2929T C3131T C3333T C3535T C3838T C4040T C4343T C4545T Actual Length x Width x Height (mm) 21.2 x 21.2 x 9.1 23.2 x 23.7 x 9.1 25.2 x 25.7 x 9.1 27.2 x 27.7 x 9.1 29.2 x 29.7 x 9.1 31.2 x 31.2 x 9.1 33.2 x 33.7 x 9.1 35.2 x 35.2 x 9.1 37.2 x 37.7 x 9.1 39.7 x 40.2 x 9.1 42.2 x 42.7 x 9.1 44.7 x 45.1 x 9.1 42.7 x 47.7 x 9.1 LENGTH WIDTH HEIGHT Page 2 of 3 IERC a CTS Company November 2004 413 North Moss Street Burbank, CA 91502 818-842-7277 www.ctscorp.com TAPE STYLES Thermal Tape Supplier Thickness (mm) Thermal Impedance (°C-in²/W) Dielectric Strength (V/mil) Description A01 IERC 0.13 0.82 4,000 Double-sided acrylic adhesive on a Kapton MT carrier. T410 Chomerics 0.18 1.10 N/A T411 Chomerics 0.28 1.00 N/A T412 Chomerics 0.23 0.25 N/A 8815 3M 0.38 1.20 668 Double-sided acrylic adhesive loaded w/aluminum oxide on an aluminum foil carrier. Double-sided silicone adhesive with expanded aluminum mesh carrier. Double-sided acrylic adhesive loaded w/ titanium diboride on an expanded aluminum carrier. Double-sided acrylic adhesive loaded with ceramic particles. HOW TO ORDER? CPR 19-19-12 U /S Part Number Series Dimensions in mm (LxWxH) Unplated Mounting Options Clip Short “/S” Medium “/M” Tall “/T” Adhesive Double-sided Kapton® “/A01” Chomerics Thermattach® “T410, T411, or T412” 3M™ “8815” Page 3 of 3 IERC a CTS Company November 2004 413 North Moss Street Burbank, CA 91502 818-842-7277 www.ctscorp.com