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Technical content
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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
CTS®
PRODUCT BENEFITS
No special tools needed for assembly
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) | |
|---|---|---|---|---|---|
| NATURAL CONVECTION | FORCED CONVECTION @ 200 LFPM | ||||
| APR19-19-12CB | 5 x 5 | 18.6 x 18.6 x 11.6 | 14.3 | 6.9 | 0.013 |
| APR19-19-15CB | 5 x 5 | 18.6 x 18.6 x 14.6 | 13.9 | 6.6 | 0.013 |
| APR19-19-20CB | 5 x 5 | 18.6 x 18.6 x 19.6 | 13.2 | 5.9 | 0.013 |
| APR19-19-25CB | 5 x 5 | 18.6 x 18.6 x 24.6 | 13.0 | 4.5 | 0.013 |
| APR27-27-12CB | 8 x 8 | 26.6 x 26.6 x 11.6 | 12.5 | 5.0 | 0.015 |
| APR27-27-15CB | 8 x 8 | 26.6 x 26.6 x 14.6 | 12.1 | 4.7 | 0.015 |
| APR27-27-20CB | 8 x 8 | 26.6 x 26.6 x 19.6 | 11.9 | 4.0 | 0.015 |
| APR27-27-25CB | 8 x 8 | 26.6 x 26.6 x 24.6 | 10.1 | 3.4 | 0.015 |
| APR29-29-12CB | 8 x 8 | 28.6 x 28.6 x 11.6 | 12.0 | 4.3 | 0.018 |
| APR29-29-15CB | 8 x 8 | 28.6 x 28.6 x 14.6 | 11.7 | 4.0 | 0.018 |
| APR29-29-20CB | 8 x 8 | 28.6 x 28.6 x 19.6 | 11.1 | 3.5 | 0.018 |
| APR29-29-25CB | 8 x 8 | 28.6 x 28.6 x 24.6 | 9.9 | 2.9 | 0.018 |
| APR33-33-12CB | 9 x 9 | 32.6 x 32.6 x 11.6 | 11.4 | 3.8 | 0.020 |
| APR33-33-15CB | 9 x 9 | 32.6 x 32.6 x 14.6 | 10.9 | 3.5 | 0.020 |
| APR33-33-20CB | 9 x 9 | 32.6 x 32.6 x 19.6 | 10.1 | 3.0 | 0.020 |
| APR33-33-25CB | 9 x 9 | 32.6 x 32.6 x 24.6 | 9.0 | 2.5 | 0.020 |
| APR35-35-12CB | 10 x 10 | 34.7 x 34.7 x 11.6 | 10.5 | 3.2 | 0.022 |
| APR35-35-15CB | 10 x 10 | 34.7 x 34.7 x 14.6 | 10.2 | 3.0 | 0.022 |
| APR35-35-20CB | 10 x 10 | 34.7 x 34.7 x 19.6 | 9.5 | 2.6 | 0.022 |
| APR35-35-25CB | 10 x 10 | 34.7 x 34.7 x 24.6 | 9.2 | 2.4 | 0.022 |
| APR38-38-12CB | 11 x 11 | 37.1 x 37.1 x 11.6 | 9.8 | 3.3 | 0.025 |
| APR38-38-15CB | 11 x 11 | 37.1 x 37.1 x 14.6 | 9.4 | 3.0 | 0.025 |
| APR38-38-20CB | 11 x 11 | 37.1 x 37.1 x 19.6 | 8.8 | 2.5 | 0.025 |
| APR38-38-25CB | 11 x 11 | 37.1 x 37.1 x 24.6 | 7.9 | 2.1 | 0.025 |
| APR40-40-12CB | 11 x 11 | 39.6 x 39.6 x 11.6 | 9.2 | 3.1 | 0.027 |
| APR40-40-15CB | 11 x 11 | 39.6 x 39.6 x 14.6 | 8.9 | 2.9 | 0.027 |
| APR40-40-20CB | 11 x 11 | 39.6 x 39.6 x 19.6 | 8.1 | 2.4 | 0.027 |
| APR40-40-25CB | 11 x 11 | 39.6 x 39.6 x 24.6 | 7.1 | 2.0 | 0.027 |
| APR43-43-12CB | 12 x 12 | 42.1 x 42.1 x 11.6 | 8.7 | 3.0 | 0.029 |
| APR43-43-15CB | 12 x 12 | 42.1 x 42.1 x 14.6 | 8.3 | 2.7 | 0.029 |
| APR43-43-20CB | 12 x 12 | 42.1 x 42.1 x 19.6 | 7.6 | 2.3 | 0.029 |
| APR43-43-25CB | 12 x 12 | 42.1 x 42.1 x 24.6 | 6.5 | 2.0 | 0.029 |