The E series is a system of preferred numbers (also called preferred values) derived for use in IEC release history: IEC (aka IEC ). IEC Preferred Number Series for Resistors and Capacitors. Find the most up-to-date version of IEC at Engineering
|Published (Last):||10 November 2008|
|PDF File Size:||1.75 Mb|
|ePub File Size:||20.58 Mb|
|Price:||Free* [*Free Regsitration Required]|
E series of preferred numbers – Wikipedia
Archived from the original on Commons category link uec on Wikidata Commons category link is on Wikidata using P From Wikipedia, the free encyclopedia. If a manufacturer sold resistors with E3 series values in a range of 1 ohm to 10 megohms, then the available resistance values would be: It should be noted that some values in the E24 series don’t exist in E48 to E series.
List of International Electrotechnical Commission standards. Wikimedia Commons has media related to E12 values. The two main differences between each major group is the number of significant digits 2 digits for E3 to E24, 3 digits for E48 to E and different rounding rules. Currently, most electrolytic capacitors 6006 manufactured with values in the E6 or E12 series, thus E3 series is likely obsolete.
Over time, components evolved towards common values, then based on some of these existing conventions, the International Electrotechnical Commission IEC began work on an international standard in Views Read Edit View history. In other projects Wikimedia Commons.
E series of preferred numbers
Other types of electrical components are either specified by the Renard series for example uec or are defined in relevant product standards for example IEC for wires. Retrieved from ” https: Later, the post—World War II baby boom and the invention of the transistor kicked off demand for consumer electronics goods during the s.
World War II military production was a major influence for establishing common standards across many industries. This allows easier purchasing migration between different tolerance parts.
Also, the E series is used for 0. It consists of the E3E6E12E24E48E96 and E series, where the number after the ‘E’ designates the quantity of value “steps” in each series. In the early 20th centurycapacitor previously called condenser   and resistor   value increments were iecc than today.
This page was last edited on 1 Novemberat As transistor radio production migrated towards Japan during the s, it was critical for the electronic industry to have international standards.