In the electronic component manual, Ta refers to the ambient temperature and Tc refers to the surface temperature of the component.

LED driver and power supply are gave the ambient temperature of the driver use and the upper limit of the surface temperature of the outer casing for the user to select the appropriate use environment.

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It is an innate property of the product itself, and it has nothing to do with whether it affects heat dissipation. Can be marked to indicate that the product is managed by quality standards.

Hence as a ETL qualified manufacturer, you can rest assure that all of our dimmable and non dimmable led drivers are giving Ta 40 ℃ and TC 85℃ notes on labels, which you can easily check when doing the installation.

Triac Dimmable LED Driver	Dali Dimmable LED Driver	0-10V Dimmable LED Driver
12v/24Vdc 12W	12v/24Vdc 60W	12v/24Vdc 120W

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