SAM D21/DA1 Family

40.2.1 Thermal Resistance Data

The following Table summarizes the thermal resistance data depending on the package.

Table 40-1. Thermal Resistance Data
Package Type	θ_JA	θ_JC
32-pin QFN (Wettable Flanks)	40.5°C/W	16.0°C/W
48-pin QFN (Wettable Flanks)	31.9°C/W	11.7°C/W
64-pin QFN (Wettable Flanks)	32.5°C/W	11.3°C/W
32-pin TQFP	64.7°C/W	23.1°C/W
48-pin TQFP	63.6°C/W	12.2°C/W
64-pin TQFP	60.9°C/W	12.2°C/W

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