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In SPICE (Simulation Program with Integrated Circuit Emphasis), inductors are electronic components that model the behavior of real-world inductors in electronic circuits. Inductors store energy in a magnetic field when current flows through them and resist changes in current.

SPICE provides various inductor models with different levels of complexity to simulate the behavior of inductors accurately. The two primary types of inductor models in SPICE are ideal inductor models and more advanced models that consider parasitic effects and frequency-dependent behavior.

Ideal Inductor Model: The ideal inductor model is the simplest representation of an inductor in SPICE. It assumes that the inductor has no resistance, no magnetic saturation, and no parasitic capacitance. The ideal inductor model only considers the inductance value.

SPICE inductor models are typically used in simulations to analyze the behavior of inductors in various circuit configurations, such as inductors in filters, transformers, oscillators, and more. Depending on the level of accuracy required for your simulation and the complexity of the circuit, you can choose the appropriate inductor model that suits your design needs.