Parameters

Nominal

Variation

Lid conductivity

385 W/mK

+10%

TIM thickness

30 µm

+10%

TIM conductivity

2.6 W/mK

+10%

Underfill conductivity

0.65 W/mK

+10%

Underfill flux tube

On

On - off

Substrate thermal resistance

0.022 K/W

+10%

Laminated substrate copper distribution

On

On - off

Substrate core conductivity

0.8 W/mK

+10%

Substrate core PTH

On

On - off

Substrate dielectric conductivity

0.49 W/mK

+10%

Substratte dielectric vias

On

On - off

BGA conductivity

57 W/mK

+10%

PCB thermal resistance

0.047 K/W

+10%

PCB Emissivity

0.85

+10%

PCB FR4 in-plane conductivity

0.8 W/mK

10%

PCB FR4 out-of-plane conductivity

0.25 W/mK

+10%

PCB thermal vias

On

On - off

Box emissivity

0.91

+10%

CFD

On

On - off

Radiation

On

On - off

Still air chamber inclination

0 º

±5˚