The model requires a heat port in spite of the fact that it doesn't heat anything. The heat port is needed to read the device temperature.
Parameters: Is: Transport saturation current (default value = 1e-16 Amp) Tau: Ideal transit time (default value = 5e-9 sec) Cj: Zero bias depletion capacitance (default value = 0.5e-12 F) Phi: Diffusion voltage (default value = 0.8 Volt) M: Gradation exponent (default value = 0.333) EG: Energy gap for temperature effect on saturation current (default value = 1.11 Volt) N: Current emission coefficient (default value = 1) XTI: Saturation current temperature exponent (default value = 3) Gb: Leakage conductance (default value = 1e-15 Mho) EMin: Minimum exponent (default value = -100) EMax: Maximum exponent (default value = 40)