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SN74HC138 thermal parameter

Mike Wang2
Intellectual 2760 points
Other Parts Discussed in Thread: SN74HC138

Hi team,

Could you please provide the Junction-to-case thermal resistance of SN74HC138? we don't spec it in datasheet. 

Thanks

BR,

Mike

  • 0
    TI__Guru 59740 points
    Hi Mike ,

    Here is the PW package for sn74HC138.

    Result- Theta JA-High K (standard datasheet value)
    114.6
    Result-Theta JC, top (standard datasheet value)
    49.5
    Result-Theta JB (standard datasheet value)
    59.6
    Result- Psi JT (standard datasheet value)
    6.9
    Result- Psi JB (standard datasheet value)
    59.1
    Result-Theta JC, bottom (standard datasheet value)
    n/a