RC Time Constant Calculator
This calculator helps you determine the charge and discharge characteristics of a Resistor-Capacitor (RC) network, providing critical timing data for analog delays, debouncing, and filtering.
Use this tool to:
- Calculate the time constant (tau), which represents the time required to charge the capacitor to approximately 63.2% of the supply voltage.
- Select the correct component values for power-on reset (POR) circuits or PWM smoothing filters to ensure stable signal transitions.
- Identify timing intervals and decide when larger capacitance or resistance is required to reach 95% or 99% charge levels for specific logic thresholds.
RC Parameters
Calculated Results
Voltage Charging Curve
Expand your toolbox
Simplify hardware and firmware development using the Quickboards Library. Eliminate R&D uncertainty and cut design time by assembling subcircuit schematics from a library of Processors, Sensors, Power Management, ADC/DACs, Memory, Interface circuits and more. Download the full library here.
