The MOD Model File
Each of these files is a Spice model for a single device. They can be loaded into your simulation simply by employing the Spice command <.include device_name.mod>. Only the device types specifically required by the circuit under simulation need be included in this way. All diode and bipolar transistor models are simple <.model> files. However, Darlington transistors and MOSFET models are multi-component subcircuits and as such are supplied as <.subckt> files.
The diode models should be included in circuit files using the normal Spice reference
Bipolar transistor models should be included using
All other models should be referenced as subcircuits, i.e. in the form
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