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Featured Tools

Delta-Wye Transformation Calculator

This calculator will determine the resistance values for either a Delta-to-Wye or a Wye-to-Delta…

Power Electronics Calculators and Tools

Power Calculator

This calculator will determine any two missing values for the voltage, current, resistance, or power consumption for a simple circuit with a DC voltage source and a resistive load.

Power Dissipation Calculator for Series and Parallel Circuits

This tool will calculate the power dissipation of series or parallel resistor circuits given the input voltage and the resistance values.

RF Power Converter

This calculator will convert RF power in watts to decibels (dBW and dBm) and decibels into watts.

Battery Life Calculator

UNDER DEVELOPMENT - This calculator will determine how long a system can operate off of a single battery before replacement or recharge.

Overview This calculates a measurement of a temperature difference between two materials and their ability to resist the flow of heat. Rwall = Thermal resistance for conductive heat transfer through a plane wall (K/W) x = Thickness of a…

Thermal Effect Calculator

This calculator and equation help determine the junction temperature of the heat sink. Most commonly used with power devices, calculating the junction temperature of a device works around four criteria: the ambient temperature, the…

Zener Diode Power and Series Resistor Calculator

A Zener diode is an electronic component used in DC voltage regulator circuits. This calculator will calculate the maximum current and the necessary series resistance to protect the Zener diode.

Battery Capacity Calculator

There is a limited number of molecules available to react in any charged battery. And, there is a limited amount of charge that a battery can move through a circuit before its energy runs out. Rather than measuring a battery’s capacity in…