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Multifunctional engineering calculations of electronic circuits and componentsSearch by section D.E.V.I.C.E. services
This calculator is an online tool to quickly determine the capacitor value required for transformerless power supply circuit. A simple transformerless power supply with resistive load can be used if there is a need to connect to the AC mains a load designed for a voltage much less than the mains voltage, for example, a soldering iron. In this circuit a capacitor and resistive load are connected in series to AC mains.
Online Units Converter allows you to convert 10 types of measurement units: Length, Weight, Temperature, Volume, Area, Speed, Time, Pressure and Energy. It is easy to use and is available in English and Spanish.
Voltage Divider Calculator is a simple easy-to-use tool that helps you evaluate the output voltage or resistors values in a single voltage divider according to Ohm's law.
Voltage drop calculator is an easy-to-use online engineering tool to help you determine what voltage is lost when the electric current moves through a wire. This calculator allows to specify the following factors, which influence the voltage drop: wire material, wire size, wire length, load current.
Wire fusing current calculator allows you to estimate the approximate DC fusing current for a given wire size and material according to the Preece's Law.
Wire resistance calculator allows you to quickly determine the electrical resistance of a specific wire. The resistance of a wire depends on its material and geometrical dimensions (length and diameter or cross-sectional area).
Zener voltage regulator calculator allows you to quickly determine the series resistor value of a Zener diode. This tool also displays recommended resistor wattage as well as resistor color coding and SMD resistor code.
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