Die Cast Heat Sinks
Lightweight, complex geometry heat sinks
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Die Cast Heat Sinks
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High Pressure Die Cast Heat Sinks are a cost-effective option for high volume applications that are weight-sensitive and require superior cosmetic surface quality or complex geometries otherwise not achievable in alternative heat sink manufacturing methodologies. Die Cast Heat Sinks are produced in near net shape, require little to no additional assembly or machining, and can range in complexity. Die cast heat sinks are popular in LED and 5G markets due to their unique shape and weight requirements as well as high volume production needs.
High Pressure Die Casting enables us to produce complex shapes with a high degree of accuracy and repeatability. Our experienced design and manufacturing team can help you custom design a die cast heat sink optimized for your application to maximize heat transfer and cost efficiency while minimizing weight, assuring you optimize your investment in die cast tooling.
For rapid thermal modeling and comparison of multiple heat sink constructions please try Aavid Genie our heat sink design tool.

Product Details
Die Cast Heat Sink Product Details:
- Available Alloys: Aluminum 380, 413
- 250 Ton to 1800 Ton Automated Casting and Trim Cells produce heat sinks from several ounces up to around 40 pounds
- Maximum efficiency for high volume applications
Standard Die Cast Heat Sink Options:
Part Number |
Length (mm) |
Width (mm) |
Height (mm) |
Primary Device Types |
Device Attachment |
Heat Sink Mounting Type |
Materials |
RoHS |
Purchase |
PF527G |
26.9 |
40.8 |
25 |
TO-3 |
Through Hole |
Device Attach Only |
Al | ||
45.97 |
45.97 |
12.7 |
TO-218, TO-220* |
Through Hole |
Device Attach Only |
Al | |||
45.97 |
45.97 |
19.05 |
TO-3 |
Through Hole |
Device Attach Only |
Al |
Compliant | ||
45.97 |
45.97 |
25.4 |
TO-3 |
Through Hole |
Device Attach Only |
Al |
Compliant | ||
45.97 |
45.97 |
31.75 |
TO-3 |
Through Hole |
Device Attach Only |
Al |
Compliant |
Die Cast Heat Sink Solutions
- Complex heat sink geometries with little to no secondary machining operations required
- Ideal for high volumes of complex geometries
- Modified Die Cast Heat sinks can include additional thermal technologies such as embedded heat pipes, copper heat spreaders, or vapor chambers for additional thermal performance
- Die casting can be used for heat sink bases only so you can combine with other fin types like folded or zipper fin stacks.