Electronics and passive components
RC and RL transients, capacitor and inductor networks, capacitance and inductance from geometry, semiconductor junction temperature, diode losses and rectifier ripple.
Enter component values and operating conditions, check time constant or losses, and stay within datasheet limits.
Calculators in this category
RC capacitor charging
Calculate capacitor voltage after a specified charging time in an ideal RC circuit.
Open calculator →RC capacitor discharging
Calculate capacitor voltage after a specified discharge time through a resistor in an ideal RC circuit.
Open calculator →RL coil current rise
Calculate coil current after a specified time when a DC voltage is switched on.
Open calculator →RL coil current decay on switch-off
Calculate coil current after a specified time when the source is switched off through a freewheeling resistor.
Open calculator →Capacitors in series
Calculate total capacitance of two or three capacitors connected in series.
Open calculator →Capacitors in parallel
Calculate total capacitance of two or three capacitors connected in parallel.
Open calculator →Inductors in series (uncoupled)
Calculate total inductance of two or three magnetically uncoupled inductors connected in series.
Open calculator →Inductors in parallel (uncoupled)
Calculate total inductance of two or three magnetically uncoupled inductors connected in parallel.
Open calculator →Energy stored in an inductor's magnetic field
Calculate the energy stored in a current-carrying inductor's magnetic field from inductance and current.
Open calculator →Parallel-plate capacitor capacitance
Calculate capacitance, stored charge and stored energy of a parallel-plate capacitor from plate area, spacing and dielectric.
Open calculator →Toroidal (ring-core) inductor inductance
Calculate the inductance of a toroidal coil on a ferromagnetic core from turns, core area, magnetic path length and permeability, or find the turns needed for a target inductance.
Open calculator →Semiconductor junction temperature
Calculate a semiconductor's junction temperature and remaining thermal margin in steady state from power dissipation, ambient temperature and thermal resistance.
Open calculator →Diode forward conduction loss
Calculate instantaneous and average forward conduction loss of a diode from forward voltage, forward current and duty cycle using a simplified model.
Open calculator →Bridge rectifier ripple with reservoir capacitor
Estimate residual ripple and minimum voltage on the reservoir capacitor of a full-wave bridge rectifier under load.
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