Cross-Cut Heat Sinks
SNS Cooling offers cross-cut extrusion heat sinks - also known as pin fin heat sinks - in aluminum and copper.
SNS Cooling can use either the push-pin method or tape method of attachment. When submitting a quote request, please include the measurements below:
- Length (L)
- Width (W)
- Height (H)
- Thickness (T)
- Gap (G)
- CP
- Fin Thickness (FT)
- Fin Pitch (FP)

The following finishes are offered:
| WH | wash |
|---|---|
| CC | clear chromate |
| YC | yellow chromate |
| CA | clear anodize |
| BA | black anodize |
| HB | hard black anodize |
| EN | electro less nickel plating |
| CN | color anodize |
The following thermal pad grades are offered with BGA:
| Material Grade | Manufacturer | Adhesive | Thermal Resistance in °C/W | Color | RoHS Compliant |
|---|---|---|---|---|---|
| HF105 | Bergquist Phase Change | None | 0.05 | Dark Gray | YES |
| T557 | Chomerics Phase Change Material | None | 0.008 | Gray | YES |
| T558 | Chomerics Phase Change Material | None | 0.015 | Gray | YES |
| T705 | Chomerics Phase Change | None | 0.1 | Light Gray | YES |
| T710 | Chomerics Phase Change | None | 0.1 | Light Gray | YES |
| T766 | Chomerics Phase Change | None | 0.04 | Silver | YES |
| T725 | Chomerics Phase Change | None | 0.03 | Pink | YES |
| T411 | Chomerics Tape | Silicone | 1 | Clear/Silver | YES |
| T405 | Chomerics Tape | Acrylic | 0.5 | White | NO |
| T410 | Chomerics Tape | Silicone | 1.1 | White | NO |
| T405R | Chomerics Tape | Acrylic | 0.5 | White | YES |
| T410R | Chomerics Tape | Silicone | 1.1 | White | YES |