θja and Ψjt of NJM78L00S series?

θja (°C/W)
2 Layers		 θja (°C/W)
4 Layers		 Ψjt (°C/W)
2 Layers		 Ψjt (°C/W)
4 Layers
NJM78L00SU3
(SOT-89-3)		 215 58 43 19
  • θja ; Thermal resistance between junction and atomosphere
  • Ψjt ; Thermal parameter between junction and package surface
  • Mounted on glass epoxy board. (76.2 x 114.3 x 1.6mm: based on EIA/JEDEC standard, 2Layers)
  • Mounted on glass epoxy board. (76.2 x 114.3 x 1.6mm: based on EIA/JEDEC standard, 4Layers)

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