# Basic

Fundamental passive components such as capacitors, resistors, and
inductors

Build custom electronic models using fundamental passive components.

## Simscape Blocks

Capacitor | Linear or nonlinear capacitor with optional tolerance, operational limits and fault behavior |

Constant Current Load | Constant current load for DC or AC supply (Since R2021a) |

Constant Current Load (Three-Phase) | Three-phase constant current load (Since R2021a) |

Constant Power Load | Constant power load for DC or AC supply (Since R2020a) |

Constant Power Load (Three-Phase) | Three-phase constant power load (Since R2020b) |

Crystal | Stable resonator |

Diffusion Resistor | Resistor model with velocity saturation and optional tolerance, operational limits, fault behavior, and noise |

Dynamic Load | Dynamic load for DC or AC supply (Since R2020b) |

Dynamic Load (Three-Phase) | Balanced three-phase dynamic load |

Eddy Current | Eddy current loss representation |

Incandescent Lamp | Incandescent lamp with temperature dependent resistance |

Inductor | Inductor including optional tolerance, operational limits and fault behavior |

Magnetic Core | Nonlinear reluctance, hysteresis, and optional eddy losses (Since R2024b) |

Nonlinear Inductor | Inductor with nonideal core |

Nonlinear Reluctance | Linear or nonlinear reluctance with optional hysteresis |

Passive Harmonic Filter (Three-Phase) | Harmonic current filter |

Potentiometer | Rotary or linear-travel potentiometer controlled by physical signal |

Resistor | Resistor including optional tolerance, operational limits, fault behavior, and noise |

S-Parameter Rational Fit | Implement rational fit approximation to S-parameter description of linear
system (Since R2024b) |

Supercapacitor | Electrochemical double-layer capacitor |

Variable Capacitor | Linear time-varying capacitor |

Variable Gap Capacitor | Capacitor with parallel plates and variable gap (Since R2023b) |

Variable Inductor | Linear time-varying inductor |

Varistor | Voltage-dependent resistor |

Winding | Electromagnetic converter with ohmic and magnetic flux losses |

## Topics

**Parameterizing Blocks from Datasheets**Overview of techniques used to specify block parameters to match the data from manufacturer datasheets.