Tag Archives: Electronics

An Electrical Charge Calculator calculates electric charge from current and time, converts coulombs to ampere-hours, determines the number of elementary charges, and calculates the charge stored by a capacitor. Electricians, electronics technicians, engineers, automation professionals, maintenance personnel, and students can use it for electrical and electronic calculations. Electric charge is …

A Resistor Series Parallel Calculator calculates the equivalent resistance of resistors connected in series or parallel networks. Electronics technicians, electrical engineers, maintenance professionals, circuit designers, students, and hobbyists can use it to combine resistor values and determine the total resistance seen by a power source or another part of a …

An LED Resistor Calculator helps electronics technicians, electrical engineers, automation professionals, students, and hobbyists select a suitable current-limiting resistor for an LED circuit. It uses the supply voltage, LED forward voltage, desired forward current, and number of LEDs to calculate the required resistance and minimum resistor power dissipation. A standard …

A Resistor Color Code Calculator helps electronics technicians, electrical engineers, automation professionals, students, and hobbyists decode the resistance value represented by colored bands on an axial resistor. By selecting the number of bands and their colors, the calculator determines resistance, multiplier, tolerance, and, where applicable, temperature coefficient. Resistor color bands …