CTS ® DESIGN FEATURES Precision forging technology for high power applications Omnidirectional pins Designed for BGA and other surface mount packages Various mounting methods available Select from multiple fin heights Width PRODUCT BENEFITS Length No special tools needed for assembly Height No additional holes required on the PCB Special clip easily snaps on and self-aligns SERIES APR FORGED ALUMINUM HEAT SINKS WITH PIN FINS Part Number Fin Matrix (Rows x Columns) Length x Width x Height (mm) Thermal Resistance (°C/Watt @ 200 LFPM) Pressure Drop (inches of water) FORCED NATURAL CONVECTION CONVECTION @ 200 LFPM APR19-19-12CB APR19-19-15CB 5x5 5x5 18.6 x 18.6 x 11.6 18.6 x 18.6 x 14.6 14.3 13.9 6.9 6.6 APR19-19-20CB APR19-19-25CB APR27-27-12CB APR27-27-15CB APR27-27-20CB APR27-27-25CB 5 5 8 8 8 8 x5 x5 x8 x8 x8 x8 18.6 x 18.6 x 19.6 18.6 x 18.6 x 24.6 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 13.2 13.0 12.5 12.1 11.9 10.1 5.9 4.5 5.0 APR29-29-12CB APR29-29-15CB APR29-29-20CB APR29-29-25CB 8 8 8 8 x8 x8 x8 x8 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 12.0 11.7 11.1 9.9 4.0 3.5 2.9 APR33-33-12CB APR33-33-15CB APR33-33-20CB APR33-33-25CB 9 9 9 9 x9 x9 x9 x9 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 11.4 10.9 10.1 9.0 3.5 3.0 2.5 APR35-35-12CB APR35-35-15CB APR35-35-20CB APR35-35-25CB 10 10 10 10 x 10 x 10 x 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 10.5 10.2 9.5 9.2 APR38-38-12CB 11 x 11 37.1 x 37.1 x 11.6 9.8 APR38-38-15CB APR38-38-20CB APR38-38-25CB 11 x 11 11 x 11 11 x 11 37.1 x 37.1 x 14.6 37.1 x 37.1 x 19.6 37.1 x 37.1 x 24.6 9.4 8.8 7.9 APR40-40-12CB 11 x 11 39.6 x 39.6 x 11.6 9.2 3.0 2.5 2.1 3.1 APR40-40-15CB APR40-40-20CB APR40-40-25CB APR43-43-12CB 11 11 11 12 x 11 x 11 x 11 x 12 39.6 x 39.6 x 14.6 39.6 x 39.6 x 19.6 39.6 x 39.6 x 24.6 42.1 x 42.1 x 11.6 8.9 8.1 7.1 8.7 2.9 2.4 2.0 3.0 APR43-43-15CB APR43-43-20CB APR43-43-25CB 12 x 12 12 x 12 12 x 12 42.1 x 42.1 x 14.6 42.1 x 42.1 x 19.6 42.1 x 42.1 x 24.6 8.3 7.6 6.5 2.7 2.3 2.0 4.7 4.0 3.4 4.3 3.8 3.2 3.0 2.6 2.4 3.3 0.013 0.013 0.013 0.013 0.015 0.015 0.015 0.015 0.018 0.018 0.018 0.018 0.020 0.020 0.020 0.020 0.022 0.022 0.022 0.022 0.025 0.025 0.025 0.025 0.027 0.027 0.027 0.027 0.029 0.029 0.029 0.029 MATERIAL: 6063 Aluminum Alloy, Black Anodized 9