Aluminum Base Heatsink for 1W/3W/5W SMD LED, 20 mm
Part number: LED1W3W5WOther
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Prices updated: 14 Oct 2026
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About this product
An aluminum base heatsink sized 20 mm for mounting 1W, 3W and 5W SMD LEDs. It draws heat away from the LED package so the LED runs cooler, which helps it keep its brightness and lifetime. Use thermal adhesive or paste between the LED and the heatsink for the best contact.
Specifications
- Size
- 20 mm
- Material
- Aluminum
- Compatible LEDs
- 1W, 3W, 5W SMD LED
Frequently asked questions
Which LEDs can I mount on it?
The listing states 1W, 3W and 5W SMD LEDs. Confirm that the LED's footprint fits the heatsink's base before mounting.
Do I need thermal paste?
It is recommended. Thermal paste or adhesive fills tiny air gaps between the LED base and the heatsink, which improves heat transfer.
