
Aluminum Heat Sink HS.5, 19 x 20 x 10 mm for TO-220
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Prices updated: 14 Oct 2026
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About this product
HS.5 is a small aluminum heat sink measuring 19 x 20 x 10 mm, suited to cooling TO-220 or similar packages. It is used for components such as small voltage regulators and power transistors where space is limited and the heat load is modest. A thermal compound improves heat transfer between the package and the heat sink.
Specifications
- Model
- HS.5
- Dimensions
- 19 x 20 x 10 mm
- Material
- Aluminum
- Suitable package
- TO-220 or similar
- Cooling type
- Passive (finned heat sink)
Frequently asked questions
Which components can use the HS.5?
It suits TO-220 packaged parts such as power transistors and fixed voltage regulators like the 7805 in TO-220 form.
Is it enough for high-power devices?
It is small, so it suits modest heat loads. For higher dissipation, use a larger heat sink or add airflow. The listing does not state its thermal resistance.





