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Preferred Number Series for Resistors and Capacitors. Detail Summary View all details. Price USD. Single User. In Stock. Need it fast? Ask for rush delivery. Most backordered items can be rushed in from the publisher in as little as 24 hours. Some rush fees may apply. Add to Cart. View Full Details and Buy. Complementary Documents and Links:. This International Standard provides series of preferred values for the resistance of resistors and for the capacitance of capacitors.
The definition of such series with a defined numeric resolution is a basic prerequisite for the marking and coding of capacitors and resistors with their respective capacitance or resistance values as described in IEC Browse Publishers.
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E series of preferred numbers
It consists of the E3 , E6 , E12 , E24 , E48 , E96 and E series,  where the number after the 'E' designates the quantity of value "steps" in each series. Other types of electrical components are either specified by the Renard series for example fuses or are defined in relevant product standards for example IEC for wires. In the early 20th century , capacitor previously called condenser   and resistor     value increments were different than today. American and British military production during World War II was a major influence for establishing common standards across many industries, especially in electronics, where it was essential to produce large quantities of standardized electronic parts very quickly.
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